Mathematics Engineering Flashcards
(10 cards)
1
Q
What is SOHCAHTOA used for?
A
Solving right-angled triangles using sine, cosine, and tangent.
2
Q
What is the sine rule?
A
a/sinA = b/sinB = c/sinC
3
Q
What is the cosine rule?
A
a² = b² + c² - 2bc cosA
4
Q
What is the gradient of a straight line?
A
Gradient = change in y / change in x
5
Q
What is the formula for velocity from displacement?
A
Velocity = dx/dt (derivative of displacement)
6
Q
What is the formula for area under a velocity-time graph?
A
Area = displacement
7
Q
What is the formula for integration?
A
∫xⁿ dx = (xⁿ⁺¹)/(n+1) + C
8
Q
What is the derivative of x²?
A
2x
9
Q
What is the unit of force?
A
Newtons (N)
10
Q
Convert 1 kN to N.
A
1 kN = 1000 N
