If sin 3a=1/2 then sin a=?Help me!Provide answer asap
If sin 3a=1/2 then sin a=?
Help me!
Provide answer asap
TheMiralce123 , 5 Years ago
Grade 10
10 grade maths> If sin 3a=1/2 then sin a=? Help me! Provi...
1 AnswersSaurabh Koranglekar
Dear student
sin 3a = 3 sina – 4 sin^3 a
0.5 = 3x -4x^3
where x is sin a
solving cubic polynomial
sin a =Solutions for x:
x1= 0.76604
x2= -0.93969
x3= 0.17365
Regards
sin 3a = 3 sina – 4 sin^3 a
0.5 = 3x -4x^3
where x is sin a
solving cubic polynomial
sin a =Solutions for x:
x1= 0.76604
x2= -0.93969
x3= 0.17365
Regards
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