Use a calculator to find the value of each expression rounded to two decimal places. Make sure you are in Radian Mode. cos-(0.75)

asked Mar 20, 2023 105k views

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Use a calculator to find the value of each expression rounded to two decimal places. Make sure you are in Radian Mode.

cos-(0.75)

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Answer:

Your answer

Cos(-0.75) = 0.9999

Joniras answered Mar 21, 2023

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If you meant to write
$\cos^(-1)(0.75)$ , then using a calculator in radian mode would show
$\cos^(-1)(0.75) \approx 0.722734$

Rounding to the nearest hundredth gets us
$\cos^(-1)(0.75) \approx 0.72$

Keunwoo Choi answered Mar 26, 2023

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