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Help with simplifying a trigonometric expression?

0 votes

(1 + sin x)/cosx + cos x/(1+ sin x) 

asked Mar 10, 2015 in TRIGONOMETRY by anonymous

1 Answer

0 votes

Step 1 :

The trigonometric expression is .

Consider image.

Rewrite the expression.

image

image

image

Use the trigonometric identity : image.

image

Simplify the expression.

image

image

Cancel common terms.

image

Use the trigonometric identity : image.

image

image

Solution :

image.

answered Mar 10, 2015 by sandy Pupil
edited Mar 10, 2015 by sandy

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