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NCERT Solutions for Class 12 Maths Chapter 2 प्रतिलोम त्रिकोणमितीय फलन

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Last Updated on December 2, 2022 by Rohitash Kumawat

NCERT Solutions for Class 12 Maths Chapter 2 प्रतिलोम त्रिकोणमितीय फलन

प्रतिलोम त्रिकोणमितीय फलन

    NCERT Solutions for Class 12 Maths Chapter 2 प्रतिलोम त्रिकोणमितीय फलन

    प्रश्नावली 2.1

    प्रश्न 1.
    { sin }^{ -1 }\left( -\frac { 1 }{ 2 } \right)  का मुख्य मान ज्ञात कीजिए।
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 1

    प्रश्न 2.
    { cos }^{ -1 }\left( \frac { \sqrt { 3 } }{ 2 } \right)  का मुख्य मान ज्ञात कीजिए।
    हल
    cos-1 की मुख्य मान शाखा परिसर [0, π] है।
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 2

    प्रश्न 3.
    cosec-1 (2) का मुख्य मान ज्ञात कीजिए।
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 3

    प्रश्न 4.
    tan-1 (-√3) का मुख्य मान ज्ञात कीजिए।
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 4

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 4.1

    प्रश्न 5.


    { cos }^{ -1 }\left( -\frac { 1 }{ 2 } \right)  का मुख्य मान ज्ञात कीजिए।


    हल
    cos-1 की मुख्य मान शाखा परिसर [0, π] है।
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 5

    प्रश्न 6.
    tan-1(-1) का मुख्य मान ज्ञात कीजिए।


    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 6

    प्रश्न 7.


    { sec }^{ -1 }\left( \frac { 2 }{ \sqrt { 3 } } \right)  का मुख्य मान ज्ञात कीजिए।
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 7

    प्रश्न 8.
    cot-1(√3) का मुख्य मान ज्ञात कीजिए।
    हल
    cot-1 का मुख्य मान शाखा परिसर (0, π) है।
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 8

    प्रश्न 9.
    cos^{ -1 }\left( \frac { -1 }{ \sqrt { 2 } } \right)  का मान ज्ञात कीजिए।
    हल
    cos-1 का मुख्य मान शाखा परिसर [0, π] है।
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 9

    प्रश्न 10.
    cosec-1 (-√2) का मुख्य मान ज्ञात कीजिए।
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 10

    प्रश्न 11.


    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 11 का मान ज्ञात कीजिए।


    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 11.1

    प्रश्न 12.


    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 12 का मान ज्ञात कीजिए।
    हल

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 12.1

    प्रश्न 13.
    यदि sin-1 x = y, तो
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 13
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 13.1

    प्रश्न 14.
    tan-1√3 – sec-1(-2) का मान बराबर है


    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 14
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 14.1
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 14.2

    NCERT Solutions for Class 12 Maths Chapter 2 प्रतिलोम त्रिकोणमितीय फलन

    प्रश्नावली 2.2

    निम्नलिखित को सिद्ध कीजिए–

    प्रश्न 1.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 1
    हल
    माना sin-1x = θ ∴ sin θ = x
    पुनः sin 3θ = 3 sin3 θ – 4 sin० θ
    ⇒ sin 3θ = 3x – 4x3
    ⇒ 3θ = sin-1(3x – 4x3)
    ∴ 3sin-1x = sin-1(3x – 4x3) इति सिद्धम्

    प्रश्न 2.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 2
    हल
    माना cos-1 x = θ ∴ cosθ = x
    ∴ cos 3θ = 4cos3θ – 3 cos θ
    ⇒ cos 3θ = 4x3 – 3x
    ⇒ 3θ = cos-1(4x3 – 3x)
    ∴ 3cos-1x = cos-1(4x3 – 3x) इति सिद्धम्

    प्रश्न 3.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 3
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 3.1

    प्रश्न 4.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 4
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 4.1

    निम्नलिखित फलनों को सरलतम रूप में लिखिए

    प्रश्न 5.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 5

    हल

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 5.1

    प्रश्न 6.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 6
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 6.1

    प्रश्न 7.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 7
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 7.1

    प्रश्न 8.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 8
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 8.1

    प्रश्न 9.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 9
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 9.1

    प्रश्न 10.

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 10


    हल

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 10.1

    प्रश्न 11.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 11
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 11.1

    प्रश्न 12.
    cot (tan-1 a + cot-1 a)
    हल

    माना y = cot (tan-1 a + cot-1 a)

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 12

    प्रश्न 13.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 13
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 13.1

    प्रश्न 14.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 14
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 14.1

    प्रश्न 15.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 15
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 15.1
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 15.2

    प्रश्न 16.
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 16
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 16.1

    प्रश्न 17.

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 17


    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 17.1
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 17.2

    प्रश्न 18.

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 18

    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 18.1

    प्रश्न 19.


    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 19
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 19.1

    प्रश्न 20.

    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 20

    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 20.1

    प्रश्न 21.
    tan-1√3 – cot-1(-√3) का मान है
    (A) π
    (B)  -\frac { \pi }{ 2 }
    (C) 0
    (D) 2√3
    हल
    UP Board Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions 21

    सभी प्रश्नावली कक्षा १२वीं गणित की

    प्रश्नावली संख्याप्रश्नावली नाम
    प्रश्नावली 1सम्बन्ध एवं फलन
    प्रश्नावली 2प्रतिलोम त्रिकोणमितीय फलन
    प्रश्नावली 3आव्यूह
    प्रश्नावली 4सारणिक
    प्रश्नावली 5सांतत्य तथा अवकलनीयता
    प्रश्नावली 6अवकलज के अनुप्रयोग
    प्रश्नावली 7समाकलन
    प्रश्नावली 8समाकलनों के अनुप्रयोग
    प्रश्नावली 9अवकल समीकरण
    प्रश्नावली 10सदिश बीजगणित
    प्रश्नावली 11त्रिविमीय ज्यामिति
    प्रश्नावली 12रैखिक प्रोग्रामन
    प्रश्नावली 13प्रायिकता
    NCERT Solutions for Class 12 Maths गणित

    सभी प्रश्नावली कक्षा १२वीं गणित की

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