+36916 Use pythag theorem to find the hypotenuse = 15
S O H C A H T O A
sin = opp / hyp = 12/15
cos = adj / hyp = 9/15
tan = opp/adj = 12/ 9 can you do the rest ?
+591 sin $\theta$ = 4/5
cos $\theta$ = 3/5
tan $\theta$ = 4/3
csc $\theta$ = 5/4
sec $\theta$ = 5/3
cot $\theta$ = 3/4
+36916 SW....please provide explanations rather than just posting answers...... no one learns anything when you just puke up answers ! 
