SOLUTION: Prove the following equations is an identity. csc f/ cos f

SOLUTION: Prove the following equations is an identity. csc f/ cos f - cos f/sin f = tan f

Question 520091: Prove the following equations is an identity.

csc f/ cos f - cos f/sin f = tan f
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Prove the following equations is an identity.
csc f/ cos f - cos f/sin f = tan f
**
start with left side
csc f/ cos f - cos f/sin f
LCD: sin cos
(csc sin-cos^2)/sin cos
(1-cos^2)/sin cos
sin^2/sin cos=sin/cos=tan
verified:
left side=right side
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