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If sin x = 0.9, what is the value of cos x? Round the value to the nearest thousandth.
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If sin x = 0.9, what is the value of cos x?

Round the value to the nearest thousandth.

User AskYous
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2 Answers

3 votes

The answer is cos x = 0.436

User EasyBB
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0 votes
sinx=0.9

arcsin0.9=x

cos(arcsin0.9)=0.436
User Xenph Yan
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8.5k points
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