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50 POINTSSSS! Use trigonometric identities to verify that this expression is equal.


(1-tan^(2) (x) )/(sec^(2) (x) ) =cos(2x)

1 Answer

1 vote

Answer:

R

H

S

= cos

2

x

Explanation:

50 POINTSSSS! Use trigonometric identities to verify that this expression is equal-example-1
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