Trigonometryhard · Past Paper
What is the value of tan 3A - tan 2A - tan A?
Atan 3A tan 2A tan A
B0
C1
Dtan A + tan 2A
✓ Correct Answer: A — tan 3A tan 2A tan A
Using tan 3A = tan(2A + A), we can derive that tan 3A - tan 2A - tan A = tan 3A tan 2A tan A.
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