Friday

November 28, 2014

November 28, 2014

Posted by **Sarah** on Monday, November 22, 2010 at 7:01pm.

Prove: 2cot-2tanx= 4-2sec^2x / tanx

**Answer this Question**

**Related Questions**

Math - Trig - Double Angles - Prove: sin2x / 1 - cos2x = cotx My Attempt: LS: = ...

math - prove that cosx(tanx+2)(2tanx+1)=2secx+5sinx

Mathematics - Trigonometric Identities - Prove: (tanx)(sinx) / (tanx) + (sinx...

Calculus - Q: If y=sinx/(1+tanx), find value of x not greater than pi, ...

Simplifying with Trigonometry Identities - Hi, I am a senior in High School ...

Pre-Calc - Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= ...

Precalculus/Trig - I can't seem to prove these trig identities and would really ...

Precalculus/Trig - Prove the following identity: 1/tanx + tanx = 1/sinxcosx I ...

TRIG.............. - Q.1 Prove the following identities:- (i) tan^3x/1+tan^2x + ...

TRIGONOMETRY *(MATHS) - Q.1 Prove the following identities:- (i) tan^3x/1+tan^2x...