Question

Please Help! I got cot2a = -7/24. How do you make it into cos2a=-7/25!? Im so lost!

Answer 1

i really yneed help!!

Answer 2

ok we can do this although it is not necessarily true, it could be the case that \(\cos(2a)=\frac{7}{25}\)

Answer 3

\[\cos\theta=\frac{\text {adj}}{\text {hypo}}\]

\[\cot\theta=\frac{\text {adj}}{\text {opp}}\]