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How do you prove tan^2(x)+1+tan(x)sec(x)=1+sin(x)/cos^2(x)?
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How do you prove tan^2(x)+1+tan(x)sec(x)=1+sin(x)/cos^2(x)?

User Marsman
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◆ Trigonometric Identities ◆

Hey !!

Check the attachment.
Hope it helps you :)
How do you prove tan^2(x)+1+tan(x)sec(x)=1+sin(x)/cos^2(x)?-example-1
User Angordeyev
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