Math, asked by rahulragavendra1116, 1 year ago

Evaluate sin 70 degree by cos 20 degree + cos 36 degree by 664 degree minus two cos 43 degree courses 47 degree

Answers

Answered by arurocks111

0

Answer:

0

Step-by-step explanation:

sin70/cos20 + cos36/sin64 - 2cos43/sin47

1+1-2

0

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