Plz solve this 3

{1o Homework 3 - MAT 20. [-11 Points] DETAILS SALGTRIG4 7.1.003. Write the trigonometric expression in terms of sine and cosine, and then Simplify. 9 cos(t) tan(t) (No Response) Need Help? 21. [-11 Points] DETAILS SALGTRIG4 7.1.008.M|. Write the trigonometric expression in terms of sine and cosine, and then simplify. SECIXI i csc(x) (No Response) Need Help? 22. [I1 Points] DETAILS SALGTRIG4 7.1.009. Write the trigonometric expression in terms of sine and cosine, and then simplify. cos(u) + sin(u) tan(u) (No Response) Need Help? _ _