3(-ly: (-1)" sing [sin(-8)s-sind: 6-1)sind-(-D)nsin 4 sin42EXERCISE 5.11. frrfefea erer(Prove the following identities.)(i) cose.tane sine(ii) tan-sin0VI-sin20(iv) sin2A+cOs2A.sin B sin B +cos-B.sin2 A2. frs f (Prove that)(ii) cosec-0-cot 0 coscc20+co0(iii) (I + tan0)2-sec282 2tan®(iv) (sin0 + cos0) (1-sin0.cos0) sin30+ cos30(v) sin 0+cost0 1-2sin20.cos0(vi) (cosec θ-sie) (sec0-cos0) (tane + cot0) : 1(viii) ( 1-sin®-cos0)2-( 1-sin® (1-cos)(ix) (I +sin+cos0)2 2(1sine) (1 + cos8)(x) cosag.cos2β-sinzg.sin2pecosa-sin2ß3. frai fs (Prove that):(İ)tanB+ cot0-sec0.cosec0COSACOSA2secA(ii)1-sinA + 1 + sinAcos?a-cosB8cos2α.cos2ß tan?β-tana(iv)1-sin6+sine 2sec0.tan

3(-ly: (-1)" sing [sin(-8)s-sind: 6-1)sind-(-D)nsin 4 sin42EXERCISE 5.

1.	3(-ly: (-1)" sing [sin(-8)s-sind: 6-1)sind-(-D)nsin 4 sin42EXERCISE 5.11. frrfefea erer(Prove the following identities.)(i) cose.tane sine(ii) tan-sin0VI-sin20(iv) sin2A+cOs2A.sin B sin B +cos-B.sin2 A2. frs f (Prove that)(ii) cosec-0-cot 0 coscc20+co0(iii) (I + tan0)2-sec282 2tan®(iv) (sin0 + cos0) (1-sin0.cos0) sin30+ cos30(v) sin 0+cost0 1-2sin20.cos0(vi) (cosec θ-sie) (sec0-cos0) (tane + cot0) : 1(viii) ( 1-sin®-cos0)2-( 1-sin® (1-cos)(ix) (I +sin+cos0)2 2(1sine) (1 + cos8)(x) cosag.cos2β-sinzg.sin2pecosa-sin2ß3. frai fs (Prove that):(İ)tanB+ cot0-sec0.cosec0COSACOSA2secA(ii)1-sinA + 1 + sinAcos?a-cosB8cos2α.cos2ß tan?β-tana(iv)1-sin6+sine 2sec0.tan
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