Sin(2sin^-1 3/5)
Evaluate
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Answered by
4
Answer:
119 /169 = cos 2 x
Step-by-step explanation:
assume sin -1( 3/5) = x
⇒ sin x = 5/13
therefore if question is cos 2 x
then
cos 2 x = cos (2 sin -1( 5/13))
⇒ 1 - 2 sin x²
= 1 - 2(5/13)²
= 1 - 50/169
= 119 /169 = cos 2 x
hope helpful
Answered by
11
Answer:
hope you understand it
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