Posted by Katie on Monday, March 15, 2010 at 1:09pm.
start with sin^-1 (-√3/2)
which is 240 degrees or 300 degrees
so 2sin^-1 (-√3/2) is 480 or 600 degrees
then the sine of that ...
sin 480 = sin 120 = sin 60 = √3/2
sin 600 = sin 240 = - sin 60 = -√3/2
Related Questions
math - Sin(2x)=2sin(x)cos(x) find the exact value in radians with 2sin^2(x)+sin^...
math - Sin(2x)=2sin(x)cos(x) find the exact value in radians with 2sin^2(x)+sin^...
Math- Trig - 1. Determine the exact value of cos^-1 (pi/2). Give number and ...
Algebra II - Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)...
Calculus I - Find the derivative ** (sq root) y = (square root) x + (2nd sq root...
math - How to factor (x/x-2)-(x+2/x) my answer is -x^2-x-2/x and (3+sq rt 5)*(3-...
trig - 2sin(x)cos(x)+cos(x)=0 I'm looking for exact value solutions in [0, 3...
trig - find the value of x in the equation sq.rt x plus 5 = sq.rt x + 45
trig - Use a ratio identity to find tan(θ) if given the following. sin=...
algebra 2 - I'm stuck on this one problem. The directions say: Solve the ...
For Further Reading
