sin 90-a =

Arjun Prajapati's image
Arjun Prajapati
Dec. 4, 2017, 5:21 p.m.

Answers!

Davneet Singh's image
Davneet Singh
Dec. 4, 2017, 10:12 p.m.

Hello Arjun

sin (90 - a) = cos a

 

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