Question

can someone explain to me how this is correct? This is an answer my teacher gave me

Find the exact value for Tan(17pi/12)

Answer ---> ( sqrt3 +1)/(sqrt3 - 1)

Answer 1

you can expess tan as sin/cos

Answer 2

this is a time to use a scientific calculator

Answer 3

\(\sin (\dfrac{17 \pi}{12})=-\dfrac{\sqrt3+1}{2\sqrt2}\)

find cosine, simplify the fraction. I assume the denominators cancel out

Answer 4

o, that was so simple haha i wasnt sure. Thanks @alyssa_xo

Answer 5

anytime babygurl