Posted by **Christina** on Thursday, December 2, 2010 at 8:55pm.

How do I solve this?

1 - 4sin^2(x)cos^2(x) = cos^2(2x)

## Answer This Question

## Related Questions

- Trigonometry - Solve the equation for solutions in the interval 0<=theta<...
- Precalculus - Solve Cos^2(x)+cos(x)=cos(2x). Give exact answers within the ...
- CALCULUS - Please help.. ʃ (4sin²x cos²×/sin 2x cos 2x)dx That's ...
- Maths - y = -14sin(8x)2cos(5x) - 4sin(5x)cos(8x) u = -14sin(8x) u' = -112cos(8x...
- Precalculus II - Find exactly all solutions in [0,2pi) to 4sin(x)cos(x) = 1
- Trigonometry - Write equivalent equations in the form of inverse functions for a...
- precalculus - I dont understand this problem: (Tanө + cos ө)/ (sec...
- calculus - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x...
- Calc. - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x ln...
- math - Determine exact value of cos(cos^-1(19 pi)). is this the cos (a+b)= cos a...

More Related Questions