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can someone help me

0 votes

Verify the identity.

 
cos u sec u
tan u
 = cot u


Use a Reciprocal Identity to rewrite the expression, and then simplify.

cos u sec u
tan u
 = 
image
cos u sec u
image
image
image
 
   = 
image
cos u
image
image
1
cos u
image
image
image
   = 

 

asked Mar 26, 2016 in PRECALCULUS by anonymous

1 Answer

0 votes

The trigonometric expression is image.

Reciprocal identity: image.

image

Reciprocal identity: image.

image

image

answered Mar 26, 2016 by Lucy Mentor

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