SIN3A= 3SINA- 4SIN^3A and COS3A= 4COS^3A- 3COSA
ABOVE 2 FORMULAS ARE DOUBLE ANGLE FORMULA OR TRIPLE ANGLE FORMULA!?
PLEASE
Answers
Answered by
1
Answer:
triaple angle formula but it has been derived by using duoble formule.
Answered by
1
Answer:
double formula
Step-by-step explanation:
triple formula but it is solved by double formula
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