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Q.If cos⁡−1(3/5)+cos⁡−1(4/5)=π/2\cos^{-1} (3/5) + \cos^{-1} (4/5) = \pi/2, then the value of sin⁡(cos⁡−1(3/5))\sin(\cos^{-1} (3/5)) is

a
4/54/5
b
3/53/5
c
7/5\sqrt{7}/5
d
2/5\sqrt{2}/5

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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