Establish the Identity $$\cot ^ { 2 } x + \csc ^ { 2 } x = 2 \csc ^ { 2 } x - 1$$

question 57

Essay

Establish the identity.
- $$\cot ^ { 2 } x + \csc ^ { 2 } x = 2 \csc ^ { 2 } x - 1$$

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Definitions:

Regulate

To control or maintain the rate or speed of a machine or process so that it operates properly.

Pupil

The opening in the center of the iris of the eye that adjusts in size to regulate the amount of light reaching the retina.

Focuses Light

The process of adjusting the path of light rays to converge at a point or to spread out from a point.

Retina

The light-sensitive layer of tissue at the back of the inner eye, which includes rods and cones that process visual images and send them to the brain.