Finding All Angles

Question 1:

Given

0 \leq x \leq 180

solve

8 \tan x = 7

x = \begin{matrix} 41.2 \end{matrix}

Question 2:

Given

0 \leq x \leq 180

solve

5 \tan x = 3

x = \begin{matrix} 31 \end{matrix}

Question 3:

Given

0 \leq x \leq 180

solve

7 \tan x = 4

x = \begin{matrix} 29.7 \end{matrix}

Question 4:

Given

0 \leq x \leq 720

solve

4 \cos x = 3

x = \begin{matrix} 41.4 & 318.6 \\ 401.4 & 678.6 \end{matrix}