# Question #bfe8f

##### 2 Answers

Given:

Substitute

The left side becomes

Take the sine of both sides:

Add 15 to both sides:

Divide both sides by 7:

Before one can declare this as the inverse, one must show that

Q.E.D.

#### Explanation:

When

May 7, 2017

Given:

Substitute

The left side becomes

Take the sine of both sides:

Add 15 to both sides:

Divide both sides by 7:

Before one can declare this as the inverse, one must show that

Q.E.D.

May 7, 2017

When