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Trigonometry Help

Prove
secx - tanx = tan(pi/4 - x/2)

November 11, 2013

3 Comments • Newest first

bombinator

You start with one of the sides and derive the other using identities you learned in class.

Reply November 12, 2013
rushed

[quote=Copyrighted]Multiply both sides by 0
0=0

Just kidding; use the double angle identity on the equation on the right.[/quote]

The right side is not a double angle, I want to do this problem using the left side.

Reply November 11, 2013
powerguy121

@ayduw
A common mistake for the predecessor iphone4ass. You need the 5ass or 5asses to compute this logic.

Reply November 11, 2013