find the value of cosec 31°-sec 59°
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SOLUTION
TO DETERMINE
The value of
sin² 31° - cos² 59°
FORMULA TO BE IMPLEMENTED
We are aware of the trigonometric formula that
sin(90° - θ) =cos θ
EVALUATION
sin² 31° - cos² 59°
= sin² ( 90° - 59° ) - cos² 59°
= cos² 59° - cos² 59°
= 0
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