# How will I solve this without substitution?

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The integral is #(1 + sin^2theta csctheta)d theta#

The integral is

##### 2 Answers

Jun 5, 2018

Simplify using standard trig definitions

#### Explanation:

Recall the definition of

Jun 5, 2018

See explanation.

#### Explanation:

According to the definition of

#csc theta=1/sintheta#

If we use this identity, then the integral is: