If sinA=4/5 find the value of sin3A
Answers
Answered by
0
Answer:
12/5
Step-by-step explanation:
sin3A=3×4/5= 12/5
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Answered by
0
Answer:
sin3A = 3sinA - 4sin^3A
= 3×(4/5) - 4× (4/5)^3
=12/5 - 4(64/125)
=12/5 - 256/125
=44/125Ans
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