Ask a New Question

Question

Solve in radians.

1) sin2X = 1/2
2) tan2 (X + pi/2) = 1
3) 5 - 3sec (X - pi/4) = -1
9 years ago

Answers

Steve
clearly 2x = pi/6

tan(x+pi/2) = -cot(x)

3sec(x-pi/4) = 6
sec(x-pi/4) = 2
cos(x-pi/4) = 1/2
x-pi/4 = pi/3

now just look in all the quadrants that work.
9 years ago

Related Questions

1)Solve sin2x=3cosx for all values of x. What do I need to do? 2)Solve e(sqrtx)=4 3)Approxi... Solve for x: sin2x + cos^2x = 1 0° < or equal to x < 360° solve for all real# sin2x(csc2x-2)=0 Solve for x if sin2x=cos(x+60 and x€ [-90,180].show all work details solve: Sin2x=Sinx Solve for x if sin2x=cos(x+30) for x [-180;180] Solve for x sin2x=cos(x+30) Solve for sin4x=sin2x? solve :3 sin^2 x-cos^2 x=sin2x sin2x = (radical 3)/ 2 solve each equation on the interval [0,2pi)
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use