2. Prove the identity: sin (x —y) = tanx- tany cosx cosy Use this template to indicate your answer. You can Defend your process by create more rows if necessary. Indicate each step of your identifying the appropriate process in this column explanation for each process step in this column. Remember to: Identify the problem statement. Correctly use appropriate identities andfor theorems. Correctly use the algebraic process. Identify the final statement.

2. Prove the identity: sin (x —y) = tanx- tany
cosx cosy Use this template to indicate your answer. You can Defend your process by
create more rows if necessary. Indicate each step of your identifying the appropriate process in this column explanation for each process
step in this column. Remember to: Identify the problem statement.
Correctly use appropriate identities andfor theorems. Correctly use the algebraic process.
Identify the final statement.

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