Question: simplify each expression Directions: Simplify each expression. 13. sin3y . cos(-5y) -cos3y . sin(-5y) tanop - tan 2B 14. 1+ tanop . tan2B 15. COs-

simplify each expression Directions: Simplify each expression. 13. sin3y . cos(-5y)

simplify each expression

Directions: Simplify each expression. 13. sin3y . cos(-5y) -cos3y . sin(-5y) tanop - tan 2B 14. 1+ tanop . tan2B 15. COs- . cos 0 + sin- . sino 16. sina . cos- - cosa . sin N N 2 2 2

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