Question

what is sin(t) if cos(t)=3/sqrt(11)?

Answer 1

Using the theorem of Pythagorus:
\[(\sqrt{11})^{2}=3^{2}+x ^{2}\]
\[x ^{2}=(\sqrt{11})^{2}-3^{3}=11-9=2\]
\[x=\sqrt{2}\]
Can you find sin(t) now?

Answer 2

yes thank you!

Answer 3

You're welcome :)