Wednesday
April 16, 2014

Homework Help: math

Posted by gopi on Saturday, January 12, 2013 at 11:14pm.

help me solve: find x in cos^2x - 2 sinx cosx - sin^2x = 0

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - Solving for Trig Equations - Solve the following equation for 0 less than...
Math - Solving Trig Equations - Solve each equation for o is less than and/or ...
Math - Prove each identity: a) 1-cos^2x=tan^2xcos^2x b) cos^2x + 2sin^2x-1 = sin...
TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...
Calculus (help Steve plz) - 1) if w = <-8, 15>, find ||w||? 2) which ...
Pre Calculus - Solve 2cos^2(2x)=1 I divided both sides by 2 and got this cos^2(...
pre-calc - Solve: cos(2x-180) - sin(x-90)=0 my work: cos2xcos180 + sin2xsin180= ...
Trigonometry - 4. Find the exact value for sin(x+y) if sinx=-4/5 and cos y = 15/...
calculus - solve for the second derivative and set to zero f"(x) = ((x^2-4)*sin(...
Math (Trig) - sorry, another I can't figure out Show that (1-cot^2x)/(tan^2x-1)=...

Search
Members