Question

What is : sin(20+theta) ?

Answer 1

θ = π n - 20 for n element Z

Explanation:

Solve for θ:

sin(θ + 20) = 0

Take the inverse sine of both sides:

θ + 20 = π n for n element Z

Subtract 20 from both sides:

Answer: θ = π n - 20 for n element Z