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What Is The Integral Of Cos 2x

What is the integral of cos 2x? Solution: Using integration by substitution. Put 2x = u, so 2dx = du... View Article

A triangle is a 3 sided plane polygon having 3 angles, one at each vertex, bounded by a pair of... View Article

Integration is an important topic for the 11th and 12th standard students and also has a major role in competitive... View Article

Modulus of a complex number is the quantities which can be recognised by looking at an Argand plane. Basically, it... View Article

In probability, the term “mutually exclusive” used to refer to events that cannot occur at the same time. In other... View Article

Sequence and series is one of the important concepts in JEE Main syllabus. harmonic progression covered under sequence and series.... View Article

A triangle is a special type of polygon having 3 sides and 3 angles. Triangles can be classified based on... View Article

In linear algebra, matrices can be categorized on the basis of the value of their elements, their order, number of... View Article

A set of points that forms a curve where each point on the curve is at equidistant from the focus... View Article

Why Pi is irrational and 22/7 is rational? 22/7 is a rational number. All rational numbers can be expressed as... View Article

Arithmetic Mean and geometric mean are the mean/average for a set of data or a collection of numbers. If a1,... View Article

There are 3 types of solutions of a system of linear equations – infinitely many solutions, unique solutions and no... View Article

In real life, integrations are used in various fields such as engineering, where engineers use integrals to find the shape... View Article

The rank of the matrix tells how many rows/columns are unique in a matrix.

The formula used to find the nth term of an arithmetic sequence, “a, a + d, a + 2d, ….”... View Article

If Sn = cosnθ + sinnθ, then the value of 3S4 – 2S6 is given by 1) 4 2) 0... View Article

1) p2 √(2 – p2) 2) p√(2 – p2) 3) p + √(2 – p2) 4) p – √(2 –... View Article

1) sin θ = (a2 + b2)/(a2 – b2), (a ≠ b) 2) sec θ = 4/5 3) tan θ... View Article

In a ∆ABC, if ∠A = π/2, then cos2B + cos2C equals 1) – 2 2) – 1 3) 1... View Article

1) 5π/6 2) π/6 3) π/4 4) 3π/4 Answer: (2) π/6 Solution: Given, 3 sin P + 4 cos Q... View Article