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How can you differentiate when to use SohCahToa and when to use the sine/cosine rules?

SohCahToa
We use SohCahToa to figure out an unknown angle or side in a right angled triangle. In questions, you will see a right angled triangle and have either two sides given (so ...

Answered by Mansi C. • Maths tutor

18412 Views

x – 7x + 10 = 0

Equation of this type should be seen as x²-SX+P=0, where S is the sum of the solutions, while P is their product. We have too find 2 numbers whose sum is S and product is P. In this example, we...

Answered by Anca Elena M. • Maths tutor

3267 Views

x = 1 is a solution for the curve y = x^3-6x^2+11x-6, find the other solutions and sketch the curve, showing the location of any stationary points.

Other solutions are; x = 3, x = 2Diagram of the graph with the stationary points on them can be found through this link. https://www.d...

Answered by Catriona W. • Maths tutor

3748 Views

Solve x^2 + 2x = 48 for all values of x

First we need to rearrange so that it's all on one side of the equals sign:x² + 2x - 48 = 0 Now we have to find what will sum to make the coefficient of x (2) and multiplies together to get -48...

Answered by Ketan C. • Maths tutor

3440 Views

Solve (x+1)/3+(2x+5)/4=2

Identify a common denominator4(x +1)/12 + 3(2x + 5)/12 (= 2)2. Expand both brackets(4x + 4)/12 + (6x +15)/12 = 23. Multiply out the denominator4x + 4 + 6...

Answered by Modesta K. • Maths tutor

4676 Views