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What Is A Theorem

A theorem is a statement to be proved. either on the basis of axioms or on the basis of previous... View Article

In Mathematics, a series is an operation of adding infinitely many terms in a sequence. If b1, b2, b3, b4,b5,... View Article

Let’s modify the question, is a median an average? The answer is “Yes”. In statistics, median is the “middle value”... View Article

In Mathematics, geometry is one of the important branches that deals with figures, angles, dimensions of things and more. In... View Article

Two triangles are congruent if their sides have the same length and angles have the same measure. Consider two triangles,... View Article

The orthocenter of a triangle is the point where all the three altitudes intersect each other. Orthocenter lie, -inside the... View Article

A square matrix is singular if and only if the value of its determinant is zero. Read more. Furthermore, inverse... View Article

A line segment that joins a vertex to the midpoint of the side on its opposite side. Median divides the... View Article

What are parallel lines? In geometry, parallel lines are the lines which maintain the same distance apart from each other... View Article

Rank of matrices is the dimension of the vector space obtained by its columns. Rank of a matrix cannot exceed... View Article

If A + C = 2B, then (cos C – cos A)/(sin A – sin C) is equal to 1)... View Article

The value of tan 20° + 2 tan 50° – tan 70° is 1) 1 2) 0 3) tan 50°... View Article

If sin A + sin B = √3 (cos B – cos A), then sin 3A + sin 3B is... View Article

If cos (A – B) = 3/5 and tan A tan B = 2, then which one of the following... View Article

If cos x = 3 cos y, then 2 tan [(y – x)/2] is equal to 1) cot[(y – x)/2]... View Article

If cos (α + β) = 4/5 and sin (α – β) = 5/13, where 0 ≤ α, β ≤... View Article

If α, β ϵ (0, π/2), sin α = 4/5 and cos (α + β) = -(12/13), then sin β... View Article

The value of (sin 55° – cos 55°)/sin 10° is 1) 1/√2 2) 2 3) 1 4) √2 Answer: (4)... View Article

If α, β and γ ϵ [0, π] and α, β, γ are in AP, then (sin α – sin... View Article

If sin θ = 3 sin (θ + 2α), then the value of tan (θ + α) + 2 tan... View Article