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Answered by
1
Answer:
cos (90-theta) =cos(90-50) =sin 30°
cos 45°=sin45°
Step-by-step explanation:
I have forgotten the concept but how much I remember I have answered u
Answered by
1
Answer:
COS (90-theta) =cos(90-50) =sin 30°
cos 45°=sin45°
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