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What is the integral of sin^2(x)?

From the double angle formula for cosine, we know that cos(2x)=cos²(x)-sin²(x). Also, we know that sin²(x)+cos²(x)=1. So by substituting the second formula ...

Answered by Jonathan B. • Maths tutor

6430 Views

How do I differentiate tan(x) ?

To differentiate tan(x):

Note: Here, we use d/dx f(x) to mean "the derivative of f(x) with respect to x".

Answered by Joseph H. • Further Mathematics tutor

149102 Views

What are Balanced Forces?

An object experiances a force if it's pushed or pulled, and is measured in newtons. These forces are represented as arrows in force diagrams, these arrows give information on how big and in what direc...

Answered by Ross A. • Physics tutor

5754 Views

Why do group 3 metals form more acidic aqueous solutions than group 2 metals?

The equation of a metal ion forming a metal hexaaqua ion in aqueous solution is as fol...

Answered by Oliver W. • Chemistry tutor

10292 Views

How effective is psychodynamic therapy in treating schizophrenia? (Emphasis on evaluating rather than outlining)

Psychodynamic therapy is used to treat a wide range of patients who suffer from psychological abnormalities. This therapy focusses on uncovering repressed thoughts and emotions in the patients unconsc...

Answered by Laura J. • Psychology tutor

7701 Views