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Former Associate Professor and Head of the Department at Govt Degree College ; Studied at Sri Venkateswara University ; Lives in Bengaluru, Karnataka, India.

What is the solution set of the equation X+2>0 and 2X-6>0?

What is the solution set of the equation X+2>0 and 2X-6>0?

Soln. X + 2 > 0 => X > — 2 & ... 2X — 6 > 0 => 2X > 6 => X > 3 ... Therefore the solution set of the given equations => S = { X : X ∈ N Λ X > ...Read more

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Prove that 1- cos2A/sin2A = tanA? - Mathematics is Life - Quora

Prove that 1- cos2A/sin2A = tanA? - Mathematics is Life - Quora

1-cos2A/sin2A ={(sin^2A + cos^2A)–(cos^2A – sin^2A)}/2sinA.cosA = 2sin^2A/2sinA.cosA = tanA = RHSRead more

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