Math, asked by riktamaity02, 1 month ago

prove that 1-tan square A/1+tan square A = cos square A-sin square A

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Answered by 57pranavdmandre

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Answered by mchhetrisijan

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Step-by-step explanation:

You can see the ans .

formula needed;

tan^2=sin^2/cos^2
sin^2+cos^2=1

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