Textbook Question
In Exercises 1–10, use substitution to determine whether the given x-value is a solution of the equation.
__
√ 2 𝝅
cos x = ------- , x = ------
2 4
14
views
Find all solutions to the equation.
3tanθ−7=−6
θ=6π+2πn,65π+2πn
θ=65π+2πn,611π+2πn
θ=6π+2πn,67π+2πn
θ=6π+πn