Prove the identity.
cos (x + y)
1- tanx tany
cosx cosy
Note that each Statement m...
Mathematics, 24.11.2020 14:00 NerdyJason
Prove the identity.
cos (x + y)
1- tanx tany
cosx cosy
Note that each Statement must be based on a Rule chos
the right of the Rule.
Statement
Answers: 2
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