# Question #67c01

##### 1 Answer

Jun 4, 2017

See below.

#### Explanation:

Set

multiply both sides by

By double angle formula,

We can continue this pattern.

So,

However,

So,

Jun 4, 2017

See below.

Set

multiply both sides by

By double angle formula,

We can continue this pattern.

So,

However,

So,