# Posts by stenardt

Total # Posts: 1

**trigonometry**

may this be correct question It is given that sin(θ)=1/√5. In addition, a and b are coprime positive integers such that cos(2θ)=a/b. What is the value of a+b?

Total # Posts: 1

**trigonometry**

may this be correct question It is given that sin(θ)=1/√5. In addition, a and b are coprime positive integers such that cos(2θ)=a/b. What is the value of a+b?