evaluate sin18/cos72
Answers
Answered by
44
sin 18 = sin (90-72)
= cos 72
» sin 18/cos 72
= cos 72/cos 72
= 1
Hope it helps
= cos 72
» sin 18/cos 72
= cos 72/cos 72
= 1
Hope it helps
neelesh5:
my answer is hundred percent relliable as brainly expert says
thnx snehitha
Answered by
17
sin18/cos 72 = sin 18/cos(90-72) = sin18/sin18=1
thanks it was a typing mistake
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