Math, asked by Nhibtaunga, 1 year ago

If tanA=✓2-1 then prove sinA•cosA=✓2/4

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Answered by sahuraj457

4

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Attachments:

Nhibtaunga: I didn't get it

sahuraj457: multiply divide by cosA

sahuraj457: cos²A = 1/sec²A

sahuraj457: sec²A= 1+tan²A

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