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Verify: sec^2x+tan^2x=2sec^2x-1
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Verify: sec^2x+tan^2x=2sec^2x-1

User Costa Zachariou
by
7.8k points

1 Answer

2 votes

Answer:

see explanation

Explanation:

Using the identity

tan²x = sec²x - 1

Consider left side

sec²x + tan²x

= sec²x + sec²x - 1

= 2sec²x - 1

= right side , thus verified

User Gayan Dasanayake
by
8.4k points
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