Question

Determine the exact value of each of the following expressions. Your answers should involve fractions and square roots, and not decimal values.

cos(30∘)=

sin(30∘)=

tan(30∘)=

cos(60∘)=  

sin(60∘)=

tan(60∘)=

​

Answer 1

Cos(30)= 3/2
Sin(30)=1/2
Tan(30)=3/3
Cos(60)=1/2
Sin(60)= 3/2
Tan(60)=3