Prove the trig identity: 1+tan^2 = sec^2

If sec A is equal to x plus 1 divide by 4x, prove that sec A + tan A = 2x or 1 divide by 2x

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

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sec^6x - tan^6x = 1 + 2 tan^2x sec^2x Important Difficult Trigonometric Identity

tan^2 x + 1 = sec^2 x

Proof: tan^2 + 1 = sec^2

If sec theta =x+1/4x then prove that sec theta +tan theta =2x or 1/2x. trigonometry 10th

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Why does sine squared plus cosine squared equal 1?

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