Question

Given sinx=0.3, what is cosx? enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Answer 1

The value of the cox will be equal to Cosx=$\pm$0.95

What is the value of cosx?

It is given that

The value of Sinx=0.3

Now we know that

$Sin^2x+Cos^2x=1\\\\0.3^2+Cos^2=1\\\\Cos^2=1-0.3^2\\\\Cos^2x=1-0.9\\\\Cos^x=0.91\\\\Cos=\sqrt{0.91}\\\\Cosx=\pm 0.95$

Hence the value of  Cosx=$\pm$0.95

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