if π/2≤α≤π and tg(α)=-11/12 then sin(α) is?

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Guest Jan 21, 2015

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Best Answer

We need to find "r"......it is given by

√[11^2 + (-12)^2 ] = √[144 + 121] = √265

So the sine is given by y/r = 11/ √265

CPhill Jan 21, 2015

CPhill · Answer 1 · 2015-01-21T11:23:11

We need to find "r"......it is given by

√[11^2 + (-12)^2 ] = √[144 + 121] = √265

So the sine is given by y/r = 11/ √265