Find the linear function whose graph passes through the point (3, 2) and is parallel to the line $y=3x+8$ .

Evaluate cos⁻¹(cos(5π/4)).

Evaluating trigonometric functions Without using a calculator, evaluate the following expressions or state that the quantity is undefined.

cot (-17π/3)

Solving trigonometric equations Solve the following equations.

tan x = 1

Solving trigonometric equations Solve the following equations.

cos²Θ = 1/2 , 0 ≤ Θ < 2π