Precalculus : Solving Trigonometric Equations and Inequalities

Study concepts, example questions & explanations for Precalculus

varsity tutors app store varsity tutors android store

Example Questions

Example Question #224 : Pre Calculus

Solve  when 

Possible Answers:

There are no solutions.

Correct answer:

There are no solutions.

Explanation:

Given that, for any input, , we know that, and so the equation  can have no solutions.

Example Question #2 : Solve Trigonometric Equations And Inequalities In Quadratic Form

Solve  when 

Possible Answers:

There are no solutions.

Correct answer:

Explanation:

By adding one to both sides of the original equation, we get , and by taking the square root of both sides of this, we get  From there, we get that, on the given interval, the only solutions are  and .

Learning Tools by Varsity Tutors