Find value of the expression, Sin^-1 (Cos x).
a) 30°
b) - 30°
c) 90°
d) - 90°

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5