Prove the trigonometry identity: 1+tan^2x=sec^2x

Proof : sec^2 x - tan^2 x = 1 | [ TRIGONOMETRY ]

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Prove 1+tan^2theta=sec^2theta

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Prove: 1 + tan^2theta = sec^2theta | Trigonometric Identities | Class 10 Maths

Proof: tan^2 + 1 = sec^2

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