Suppose 0<theta<90 and sin(theta)=1/radical 3 what is the value of cos(theta)

Question

Theta is more than 0 but less than 90 and sine of theta is one over radical 3 what is the cosine of theta

Answer 1

sin θ = 1 / √3

sin θ = √3 / 3

cos θ = √6 / 3      Pythagoras