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Prove each of the followingsin^(- 1)(3/5...

Prove each of the following`sin^(- 1)(3/5)+sin^(- 1)(8/17)=sin^(- 1)(77/85)`

A

`sin^(-1)((57)/(85))`

B

`sin^(-1)((47)/(87))`

C

`sin^(-1)((67)/(85))`

D

`sin^(-1)((77)/(85))`

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Evaluation Test
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  17. Given b = 2, c = sqrt3, angle A = 30^(@), then inradius of DeltaABC is

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