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If tan(x)=-35/12 and x is in quadrant IV, find the exact values of sin(x/2), cos(x/2), and tan(x/2) without solving for x.

 

 Feb 15, 2021
 #1
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tan(x) = -35/12

sin(x) = -12/37

cos(x) = 35/37

 

From there, use the half-angle formulas to derive sin(x/2), cos(x/2), and tan(x/2).

 Feb 20, 2021

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