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A ladder of length 3.5m rests against a vertical wall and makes an angle of 40* with the floor. How far up the wall does top of the ladder reach?

We can use trigonometry to answer this question using the following steps: Sketch the question out Label the right angled triangle correctly (using information in the question)Identify the correct equation f...
HW
Answered by Helena W. • Maths tutor
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Solve 4(3x + 2) = 12 - 5x

Step 1: Times out the brackets 12x + 8 = 12 -5x Step 2: Gather all 'x' values on one side and all non-'x' values on the other (12x + 5x = 12 - 8) -> 17x = 4 Step 3: Divide by the number next to the 'x'x =...
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Answered by Caitlin L. • Maths tutor
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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 you can calculate an angle...
MC
Answered by Mansi C. • Maths tutor
21217 Views

x – 7x + 10 = 0

Equation of this type should be seen as x 2 -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 have S=7 an...
AE
Answered by Anca Elena M. • Maths tutor
3782 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.desmos.com/calculator/dklpjdyr02
CW
Answered by Catriona W. • Maths tutor
4227 Views