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we know that in any triangle sinA= PERPEDICULAR /HYPOTENUS but value of sine sometimes -ve how ??... while ratio of side is always +ve...and when sinA = 1 means perpendicular hypotenus how ??somebody is asking me then wt should i reply...

atul bhardwaj , 13 Years ago
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Chetan Mandayam Nayakar

Last Activity: 13 Years ago

in ANY triangle, 0<A<π, and in this range sine is positive throughout. sinA=perpendicular/hypotenuse=1 is possible when   A=90 degrees. In this case hypotenuse and perpendicular are one and the same.

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