Math, asked by pranavswami077, 3 months ago

sec²∅ - cos²∅= tan²∅+sin²∅​

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Answered by prabhas24480
0

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sec²∅ - cos²∅= tan²∅+sin²∅

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LHS

= tan²∅ - sin²∅

= sin²∅/cos²∅ - sin²∅

= sin²∅- sin²∅cos²∅/cos²∅

= sin²∅(1-cos²∅)/cos²∅

= sin²∅(sin²∅)/cos²∅

= sin²∅/cos²∅ × sin²∅

= tan²∅ × sin²∅

LHS = RHS

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