SOLUTION: Suppose
0 < θ < π/2 and tanθ= 2/3.
Evaluate cosθ and sinθ
This is precalc
Algebra.Com
Question 870561: Suppose
0 < θ < π/2 and tanθ= 2/3.
Evaluate cosθ and sinθ
This is precalc
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
Right triangle, hypotenuse is 1. Choose either nonright angles, say t. sin(t)=y and cos(t)=x. You know . You also know . You now have two equations in two unknowns of x and y.
...?
Good?
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