RD Sharma Class 10 Solutions Chapter 6 Exercise 6.2

RD Sharma Class 10 Solutions Trigonometric Identities Exercise 6.2

Question 1.
If cos θ = (frac { 4 }{ 5 }) , find all other trigonometric ratios of angle θ
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Question 2.
If sin θ = (frac { 1 }{ sqrt { 2 } }) , find all other trigono­metric ratios of angle θ
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Question 3.
If tan θ = (frac { 1 }{ sqrt { 2 } }), find the value of (frac { { cosec }^{ 2 }-{ sec }^{ 2 } }{ { cosec }^{ 2 }+cot^{ 2 } })
Solution:
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Question 4.
If tan θ = (frac { 3 }{ 4 }), find the value of (frac { 1-cosheta }{ 1+cosheta })
(C.B.S.E. 1995)
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Question 5.

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Question 6.

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Question 7.

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Question 8.

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Question 9.

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Question 10.
If (sqrt { 3 } ) tan θ = 3sin θ , find the value of sin² θ  – cos² θ .          (C.B.S.E. 2001)
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Question 11.

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Question 12.
If sin θ + cos θ = (sqrt { 2 } )cos (90° – θ), find cot θ
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Question 13.
If 2sin² θ – cos² θ = 2, then find the value of θ. [NCERT Exemplar]
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Question 14.
If (sqrt { 3 } ) tan θ-1=0, find the value of sin² – cos² θ. [NCERT Exemplar]
Solution:

RD Sharma Class 10th Solutions Chapter 6 Exercise 6.2

RD Sharma Class 10 Solutions

• Chapter 6 Trigonometric Identities 6.1