SOLUTION: Please help me solve this equation: {{{cot(arcsin(-2/3))}}}

Algebra ->  Trigonometry-basics -> SOLUTION: Please help me solve this equation: {{{cot(arcsin(-2/3))}}}      Log On


   



Question 775897: Please help me solve this equation: cot%28arcsin%28-2%2F3%29%29
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
if you mean simplify this expressions, then...
for convenience, we write
theta=arcsin%28-2%2F3%29
sin%28theta%29=-2%2F3
so that means...
y=-2, r=3, x=sqrt%285%29
cot%28theta%29=x%2Fy=-sqrt%285%29%2F2