Top answers

Maths
A Level

How to find out where 2 lines cross/simultaneous equations

If we have the 2 lines

line 1 - 3y=4x+2 and line 2 - 6y=7x+3

Firstly we would look for when the y's or x's are multiples of each other in this case the y's are multiples of each other ...

JL
Answered by Jennifer L. Maths tutor
6122 Views

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 ...

JB
Answered by Jonathan B. Maths tutor
6288 Views

How will you simplify (3 xsquare root of 2) to the square?

(3* square root of 2) square=  (3* square root of 2) * (3* square root of 2)

now lets remove the brackets

remember to multiply the number outside the square root; so gives us 33 =9...

HW
Answered by Heyrumb W. Maths tutor
6745 Views

Find the stationary point of y=3x^2-12x+29 and classify it as a maximum/minimum

The stationary point of a curve is where it changes direction, that is the gradient goes from pos...

JS
Answered by James S. Maths tutor
7795 Views

How do I integrate sin^2(x)?


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