Asked by Nothando Tiah
Prove that:
sin^2(20).sin^2(40).sin^2(80)=3/2
sin^2(20).sin^2(40).sin^2(80)=3/2
Answers
Answered by
Reiny
Hard to prove something which is not true
LS= (.11697..)(.41317..)(.9698..)
= appr .0469
≠ 3/2
(I assumed your . meant multiplication, and you were in degrees.
It is also false in radians)
LS= (.11697..)(.41317..)(.9698..)
= appr .0469
≠ 3/2
(I assumed your . meant multiplication, and you were in degrees.
It is also false in radians)
Answered by
Nothando Tiah
It is in degrees m sorry but stil i dnt knw how to prove this
Answered by
Reiny
But I showed you that it is NOT true, so you can't prove it to be true.
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