50 POINTSSSS! Use trigonometric identities to verify that this expression is equal. (1-tan^(2) (x) )/(sec^(2) (x) ) =cos(2x)

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asked Oct 18, 2021 167k views

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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)

Mathematics
high-school

Mengmengxyz asked

by Mengmengxyz

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Answer:

= cos

Explanation:

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

Antstud answered Oct 22, 2021

by Antstud

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