Question

what are three identities in trigonometry?

Answer 1

THE THREE MAIN IDENTITIES

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Answer 2

${sin}^{2} theta + \ { \cos }^{2} theta = 1 \\ {sec}^{2} theta - { \tan}^{2} theta = 1 \\ {cosec}^{2} theta - { \cot}^{2} theta = 1$

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