Monday

January 26, 2015

January 26, 2015

Posted by **Jason** on Wednesday, April 29, 2009 at 2:23pm.

Solve 4sin^2 x + 4sqrt(2) cos x-6 = 0 for all real values of x.

My answer: (pi/4)+2(pi)k, (7pi/4) + 2(pi)k

Solve 2cos^2 x-5cosx+2=0 for principal values of x.

My answer: 60 and 300 degrees

**Answer this Question**

**Related Questions**

Pre Cal - Solve 4sin^2 x + 4sqrt(2) cos x-6 = 0 for all real values of x. My ...

Advanced Math - Solve 4sin^2 x + 4sqrt(2) cos x-6 = 0 for all real values of x. ...

Pre-calculus - solve 4 sin^2x + 4 sqrt 2 cos x-6=0 for all real values of x. ...

Math - Solve 4sin^2x + 4(squareroot of 2)cosx -6 for all real values of x.

CALCULUS - Please help.. ʃ (4sin²x cos²×/sin 2x cos 2x)dx That's ...

math/cal/trig solve for t - solve for t: 0=4sin(2t)cos(2t)-sin(2t)

Maths integration - Please help! These 2 questions are very similar, and i tried...

pre-cal - solve for all values in [0,2pie) 2sin^2x-1=0

Math - How do you solve this? I posted this question last night and someone ...

pre-cal - solve for all values in [0,2pie) 2cos^2x-5sinx+1=0