Question

I already answered the question, can someone help me explain why? http://prnt.sc/dh3uyp

Answer 1

so i can just plug the numbers in, and its correct?

Answer 2

yes you can put the values.
but if you have to show solution step wise then you have to follow all the steps but with the actual values.
here i have used
\[\sin \theta=\frac{ perpendicular ~or ~side~ opposite~ \to~ \angle~ }{ hypotenuse }\]
and
\[\cos \theta=\frac{ base~or~side~adjacent~\to~\angle }{ hypotenuse }\]

Answer 3

ok thank you

Answer 4

yw