DP Mathematics SL Questionbank
The Pythagorean identity \({\cos ^2}\theta + {\sin ^2}\theta = 1\) .
| Path: |
Description
[N/A]Directly related questions
- 18M.1.sl.TZ1.10c: Find the values of θ which give the greatest value of the sum.
- 18M.1.sl.TZ1.10b: Show that the sum of the infinite sequence...
- 18M.1.sl.TZ1.10a.ii: Find the possible values of r.
- 18M.1.sl.TZ1.10a.i: Find an expression for r in terms of θ.
- 17N.1.sl.TZ0.6: Let \(f(x) = 15 - {x^2}\), for \(x \in \mathbb{R}\). The following diagram shows part of the...
- 17M.1.sl.TZ2.7: Solve \({\log _2}(2\sin x) + {\log _2}(\cos x) = - 1\), for...
- 16M.1.sl.TZ2.6b: Hence find the range of \(h\).
- 16M.1.sl.TZ2.6a: Write \(h(x)\) in the form \(a\sin (bx)\), where \(a,{\text{ }}b \in \mathbb{Z}\).
- 16N.1.sl.TZ0.2b: Find \(\cos 2\theta \).
- 08N.1.sl.TZ0.7a: Show that \(f(x) = \sin x\) .
- 08M.1.sl.TZ1.2b: Find an expression for \(\cos 140^\circ \) .
- 12M.1.sl.TZ1.7a: Show that \(f(x)\) can be expressed as \(1 + \sin 2x\) .
- 12M.1.sl.TZ1.7b: The graph of f is shown below for \(0 \le x \le 2\pi \) . Let \(g(x) = 1 + \cos x\) . On the...
- 12M.1.sl.TZ1.7c: The graph of g can be obtained from the graph of f under a horizontal stretch of scale factor p...
- 09N.1.sl.TZ0.6: Solve \(\cos 2x - 3\cos x - 3 - {\cos ^2}x = {\sin ^2}x\) , for \(0 \le x \le 2\pi \) .
- 15M.1.sl.TZ1.5a: find the value of \(\cos x;\)
