# Solve the given equation. If there is no solution, enter NO SOLUTION: cos2x=5sinx-2?

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I don't know how to start the problem.

I don't know how to start the problem.

##### 1 Answer

Dec 3, 2017

Answer:

#### Explanation:

Solve

Note that

Substituting in, we have:

Moving everything to one side:

We now have a quadratic which we can factor:

So, we have that

Therefore