SOLUTION: Use a Special Right Triangle to find the Sine, Cosine, and Tangent of the given angle: 45 degrees Please help me, I'm not sure what to do, Thank you!

Algebra ->  Triangles -> SOLUTION: Use a Special Right Triangle to find the Sine, Cosine, and Tangent of the given angle: 45 degrees Please help me, I'm not sure what to do, Thank you!      Log On

Hi

Note: A 45-45-90 Triangle, the ratio of sides is 1:1:sqrt(2)

 sin(45) = opp/hyp = 1/sqrt(2) = sqrt(2)/2 

 cos(45) = adj/hyp = 1/sqrt(2) = sqrt(2)/2 

 Tan(45) =  = 1