Question 808645
Find the values of the 3 trigonometric functions (sin, cos, tan) for x=22.5
sin[22.5] = sin[45/2] = sqrt[(1-cos(45))]/2]
cos[22.5] = sin(45/2) = sqrt[(1+cos(45))/2]
tan[22.5] = tan(45/2) = sqrt[(1-cos(45))/(1+cos(45)]
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Cheers,
Stan H.
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