How can I solve the following? Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) a) cos(2) = 11 sin() − 5
b) 2sin²() − cos() = 1
c) tan() − 3 cot() = 0
d) sin() − 1 = cos()
e) tan() + 1 = sec()