Exercise 14D 1 If sin\theta =0.42,cosx=0.7 and tan\alpha =0.38, write down the values of: a sin(\pi +\theta) b cos(\pi -x) c sin(2\pi-\theta) d tan(\pi-\alpha ) e sin(\pi-\theta ) tan(2\pi-\alpha ) g cos(\pi +x) h cos(2\pi -x)

Q: verify the trigonometric identites 2-cos2 x/sinx= cscx +sinx

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Q: Find the value of ((sinx)/(cotx+cscx))

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Q: Verify identity (csc x - cot x)2 =(1 - cos x)/(1 + cos x).

A: The given identity is csc x-cot x2 =1-cos x1 + cos x

Q: Verify the identity: sin²x (1+ncot²x) + cos²x (1+tan²x) = sin²x(n+cot²x) + cos²x(n+tan²x)

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Q: –1 Will sin (sin- x) result in the same answer as sin- (sin x)? Explain your answer.

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Q: Find the exact Value of -1 Cos (tan'a + Sin ¹ 1/27) 13

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Q: sin 0(1 + tan 0) tan 0(sin0 +cos0)

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Q: Evaluate sin" a cos a da.

A: Given : ∫sin4x cosx dx