Math, 18.10.2019 11:00, akshat8712

# Acosx+bsinx=c prove that sin(alpha+beta)= (2ab/(a^2+b^2) solution

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Math, 19.08.2019 06:00, vijayrockzz4949

If (m)^2 + (m')^2 + 2 mm' cos x = 1, (n)^2 + (n')^2 + 2 nn' cos x = 1, andm'n' + (mn' + m' n) cos x = 0, prove that (i)m^2+n^2=cosec^2x (ii)(m')^2+(n')^2=cosec^2x

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Math, 19.08.2019 14:00, deepakyadav5930

The roots of the qadratic eqation (3x-2) (2xplus1) eqal to 0

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Acosx+bsinx=c prove that sin(alpha+beta)= (2ab/(a^2+b^2) solution...

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