Posted by **inno** on Monday, April 4, 2011 at 7:51am.

rewrite 7 sin2A – 5 sin A + cos2A = o to solve for A

## Answer This Question

## Related Questions

- MathS triG - 1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),calculate ...
- maths Pls help trig - 1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),...
- trig - CosA x cos2A + ((sin2A)^2)/2cosA
- trig - Given that cos A = 5/13 and A and B are both acute angles, calculate the ...
- further Mathematics - Let A=(cosA -sinA) (sinA cosA) show that A^2=(cos2A sin2A...
- Trig identities:( - Sin4A - cos4A = sin2A - cos2A Can i just square root the ...
- trig - Prove: 1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA
- trig - Prove: 1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA
- trig/math - If A is between 270degrees and 360degrees, and cos A=12/13, find the...
- math - how do you solve this.prove: cos2A plus cosA divided by sin2A minus sinA ...

More Related Questions