Question: prove each identity (please show work!) Directions: Prove each identity. tana - 1 1. Cos + y =- sin y 2. tan (135 + a

prove each identity (please show work!)

prove each identity (please show work!) Directions: Prove each identity. tana -

Directions: Prove each identity. tana - 1 1. Cos + y =- sin y 2. tan (135 + a ) : tana + 1

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