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0.38268343

Q: What is the sine of 22.5 degrees?

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The sine of 75 degrees is about 0.9659

sine 40° = 0.642788

(sqrt 2) / 2

To find which angle has a sine of 0.13, you calculate arcsin or sin^-1(0.13) =7.47 degrees 7.47 degrees has a sine of 0.13. There is also another angle , below 360 , has a sine of 0.13. Subtract 7.47 from 180. 180-7.47 = 172.53 degrees also has a sine of 0.13.

Sin30 degrees is 0.50000

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Sine of 225 degrees = - 0.5 sqrt(2)

225 degrees

The sine of 75 degrees is about 0.9659

It's not. The sine of 32 degrees is approximately 0.53. The sine of 59 degrees is approximately 0.86. For a definition of sine, see: http://en.wikipedia.org/wiki/Trigonometric_function .

sine-1(0.3420201433) = 20 degrees

The sine of 22.5 degrees is 0.383

sin77 = 0.974 Therefore the sine of 77 degrees is 0.974

The sine of 52.5 degrees equals 0.79335334029124. Hope I helped!

sine 40° = 0.642788

sine(15 degrees) = 0.25882 (rounded)

(sqrt 2) / 2

No. The sine of an acute angle is less than 1. An acute angle is less than 90 degrees. The sine of 0 degrees is 0, and the sine of 90 degrees is +1. So the sines of the angles between 0 degrees and 90 degrees are less than 1.