Edexcel Core Mathematics C3 June 2010
Related Topics:
More videos, activities and worksheets that are suitable for A Level Maths
Questions and Worked Solutions for C3 Edexcel Core Mathematics June 2010.
Edexcel Core Mathematics C3 June 2010 Past Paper
C3 Mathematics Edexcel June 2010 Question 1
- (a) Show that
sin2θ/(1 + cos2θ) = tanθ
(b) Hence find, for –180° ≤ θ < 180°, all the solutions of
2sin2θ/(1 + cos2θ) + 1 = tanθ
Give your answers to 1 decimal place.
1 (a)
1 (b)
C3 Mathematics Edexcel June 2010 Question 2
2. A curve C has equation
y = 3/(5 - 3x)2, x ≠ 5/3
The point P on C has x-coordinate 2. Find an equation of the normal to C at P in the form ax + by + c = 0, where a, b and c are integers.
C3 Mathematics Edexcel June 2010 Question 3
3. f(x) = 4cosec x - 4x + 1, where x is in radians.
(a) Show that there is a root α of f(x) = 0 in the interval [1.2, 1.3].
(b) Show that the equation f(x) = 0 can be written in the form
x = 1/sin x + 1/4
(c) Use the iterative formula
xn+1 = 1/sin xn + 1/4, x0 = 1.25
to calculate the values of x1, x2 and x3 , giving your answers to 4 decimal places.
(d) By considering the change of sign of f(x) in a suitable interval, verify that α = 1.291 correct to 3 decimal places.
3 (a)
3 (b)
3 (c)
3 (d)
C3 Mathematics Edexcel June 2010 Question 4
4. The function f is defined by
f: x ↦ |2x -5|, x ∈ ℝ
(a) Sketch the graph with equation y = f(x), showing the coordinates of the points where the graph cuts or meets the axes.
(b) Solve f(x) = 15 + x
The function g is defined by
g: x ↦ x2 - 4x + 1, x ∈ ℝ, 0 ≤ x ≤ 5
(c) Find fg(2).
(d) Find the range of g.
4 (a)
4 (b)
4 (c)
4 (d)
C3 Mathematics Edexcel June 2010 Question 5
Figure 1 shows a sketch of the curve C with the equation y = (2x2 - 5x + 2)e-x
(a) Find the coordinates of the point where C crosses the y-axis.
(b) Show that C crosses the x-axis at x = 2 and find the x-coordinate of the other point where C crosses the x-axis.
(c) Find dy/dx
(d) Hence find the exact coordinates of the turning points of C.
5 (a)(b)
5 (c)
5 (d)
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.