Math, asked by deepu148, 1 year ago

cos²67 - sin²80, evaluate it.

Answers

Answered by Hasti152002

Hey... I think the question is wrong dear...
It should be sin2 23

If it is so than here's the solution
Cos2 67 - sin2 23
= cos2 (90-23) - sin2 23
= sin2 23 - sin2 23
=0

Hope it helps you dear ☺️☺️

deepu148: oo thank you so much dear

Hasti152002: my pleasure :)

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