Math, asked by pardeeprathi82, 1 year ago

Cos^67-sin^23
Find the value of this statemnt

anuj174: answer is =0

Answers

Answered by Ramanujmani
62
Heya..!!!

we know that:-

Cos(90 - theta) = sintheta

Cos²67 - sin²23

=> cos²(90 - 23) - sin²23

=> Sin²23 - sin²23

=> 0


Answered by rohitkumargupta
40
HELLO DEAR,


we know that:-

cos(90 - theta) = sintheta
cos²(90 - theta) = sin²theta

cos²67 - sin²23

=> sin²23 - sin²23

=> 0


I HOPE ITS HELP YOU DEAR,
THANKS
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