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+1 vote
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in Trigonometry by (35.1k points)
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sin{2 cos-1\((\frac{-3}5)\)} is equal to

A. \(\frac{6}{25}\)

B. \(\frac{24}{25}\)

C. \(\frac{4}{5}\)

D. \(-\frac{24}{25}\)

1 Answer

+2 votes
by (34.7k points)
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Best answer

Correct option is D. \(-\frac{24}{25}\)

We need to find the value of:

We have the value of cos x, let us find the value of sin x.

Putting the value of

sin x  = \(\frac{4}5\) and cos x = \(-\frac{3}5,\)

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