91Ó°ÊÓ

Solve the equation $Arc\sin \left(1\right)=y$.

Solve the equation $Arccos\left(\frac{\sqrt{2}}{2}\right)=x$.

Find the exact value of the function $\sin \left(390°\right)$.

Find the exact value of the function $\sin \left(-315°\right)$.

Find the amplitude if it exists and period of the function $y=2\sin \left(\mathrm{θ}\right)$ and then graph the function.

State the amplitude, period and phase shift of the function $y=\tan \left(\mathrm{θ}+60°\right)$ and then graph the function

Find the exact value of the function $\cos \left(405°\right)$.

PROBABILITY There are 8 girls and 8 boys on the Faculty Advisory Board. Three are juniors. Find the probability of selecting a boy or a girl from the committee who is not a junior.

Find first five terms of the sequence in which $a_1=3,a_{n+1}=2a_n+5$.

Graph each pair of functions on the same set of axes $y=x^2,y=3x^2$.