sin3A÷1+2cos2A
sin3A÷1+2cos2A
oshi , 11 Years ago
Grade 9
Trigonometry> sin3A÷1+2cos2A...
3 AnswersSharan
sin3A = 3sinA - 4sin3A = sinA(3 - 4sin2A) = sinA
1+2cos2A 1+2(1- 2sin2A) (3 - 4sin2A)
Sharan
sin3A = 3sinA - 4sin3A = sinA(3 - 4sin2A) = sinA
1+2cos2A 1+2(1- 2sin2A) (3 - 4sin2A)
PK NAIN
sin3A = 3sinA - 4sin3A = sinA(3 - 4sin2A) = sinA
1+2cos2A 1+2(1- 2sin2A) (3 - 4sin2A)
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