# What does cos2x integrate to?

Table of Contents

## What does cos2x integrate to?

The integral of cos(2x) is (1/2)sin(2x) + C, where C is a constant.

**How do you integrate sin 2ax?**

1 Answer

- sin2(ax)=1−cos(2ax)2.
- ∫sin2(ax)dx=∫1−cos(2ax)2dx.
- ∫sin2(ax)dx=ax−sin(ax)cos(ax)2a+C.

**Can you integrate Cos2x?**

We can’t just integrate cos^2(x) as it is, so we want to change it into another form, which we can easily do using trig identities. Recall the double angle formula: cos(2x) = cos^2(x) – sin^2(x).

### What is the derivative of Cos2x?

The derivative of cos(2x) is -2sin(2x). The process of finding this derivative uses the chain rule.

**What is the integral of sin?**

The integral of sin x is -cos x + C. It is mathematically written as ∫ sin x dx = -cos x + C.

**Is 2cosx the same as cos2x?**

Solution. cos2x and 2cosx and entirely different terms. 2cos x is twice the cosine of angle x. cos2x is the cosine of angle 2x.

#### How do you rewrite sin2x?

The formula for sin2x is 2sinx cosx.

**How do you integrate sin 2x?**

We will integrate sin 2x with respect to x. Answer: ∫sin2x dx = −½ cos (2x)+C We will use the substitution method to find integral of sin 2x

**What is the derivative of sin 2x?**

The chain rule lets you take the derivative of the outside and multiply it by the derivative of the inside. The chain rule states that the derivative of g(h(x)) = g'(h(x))*h'(x). Therefore, f'(x) =(d/dx)*sin(2x) = (d*sin(2x)/dx)*(d*2x/dx). Derive the sine function The derivative of a sine function is a cosine.

## What is formula for sin2x?

The double angle formula for sin or sin 2x formula is the double angle identity used for sine in Trigonometry. Trigonometry is a branch of mathematics where we study the relationship between the angles and sides of a right-angled triangle. There are two basic formulas for Sin 2x: Sin(2x) = 2 sinx cosx, and ; Sin(2x) = 2tan(x) /(1 + tan 2 (x))

**What is the solution for SiNx?**

So, from this you can see that the general solution is x = nπ Where n is an integer. General solution of sinx=0 – Science Mathematics General solution of sinx=0