Answer:
cos(A+B)xcos(A-B)
pls mark me as brain list.
Step-by-step explanation:
cos (A+B) × (A-B)
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Answers & Comments
Answer:
cos(A+B)xcos(A-B)
Verified answer
Answer:
pls mark me as brain list.
Step-by-step explanation:
cos (A+B) × (A-B)