Radian Measure

Radian Measures

by Kangcheng Wang

​Learning Objective

​By the end of the lesson;

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​you should be able to convert angular measures from radians to degrees and vice versa.

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Convert $\frac{3\pi}{2}$  radians to degrees.

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Convert 8 radians to degrees.

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Convert 288 degrees to radian.

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Convert 400 degrees to radian.

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Find the value of $\cos0.235$  , leave your answer to 3 significant figures.

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Find the value of $\tan1.23$  , leave your answer to 3 significant figures.

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Find the value of x in the range  $0<x<\frac{\pi}{2}$  for  $\cos x=0.347.$  

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Find the value of x in the range  $0<x<\frac{\pi}{2}$  for  $\tan x=0.88.$