# SOLUTION: what is the value of sin A if tan A=1/2

Algebra ->  Algebra  -> Pythagorean-theorem -> SOLUTION: what is the value of sin A if tan A=1/2      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Geometry: Pythagorean theorem Solvers Lessons Answers archive Quiz In Depth

 Question 257932: what is the value of sin A if tan A=1/2Answer by Edwin McCravy(8924)   (Show Source): You can put this solution on YOUR website!what is the value of sin A if tan A=1/2 ``` Draw a right triangle, with an angle A: Since the numerator of is 1 and the denominator of is 2, and since the tangent is let's label the side opposite A as 1 and the side adjacent to A as 2: Now we can calculate the hypotenuse by the Pythagorean theorem: Now we have this: Now since the sine is and if your teacher makes you rational the denominators of such expressions, the answer is Edwin```