cos38cos52-sin38sin52=0
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Answered by
44
cos 38 = Cos (90-52)
Cos 38 = sin 52
Sin 38 = sin ( 90 - 52)
= Cos 52
Cos 38cos52-sin38sin52
sin52cos52 - cos52sin52 = 0
Cos 38 = sin 52
Sin 38 = sin ( 90 - 52)
= Cos 52
Cos 38cos52-sin38sin52
sin52cos52 - cos52sin52 = 0
Answered by
23
cos38sin(90-52)-sin38cos(90-52)
cos38sin38- sin38cos38
they will get canceled
so 0
cos38sin38- sin38cos38
they will get canceled
so 0
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