Please help me asap.
Prove that:
Sin(A+B).Sin(A-B)=Sin²A. Sin²B...
Mathematics, 28.01.2021 17:00 vanessagomezcx
Please help me asap.
Prove that:
Sin(A+B).Sin(A-B)=Sin²A. Sin²B
Answers: 2
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A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees
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