DP Mathematics HL Questionbank
Compound angle identities.
Description
[N/A]Directly related questions
- 18M.2.hl.TZ1.3: Let ...
- 16M.1.hl.TZ1.5b: By writing \(15^\circ \) as \(60^\circ - 45^\circ \) find the value of \(\cos (15^\circ )\).
- 12M.1.hl.TZ1.5b: Simplify the expression \(\frac{{\sin 3x}}{{\sin x}} - \frac{{\cos 3x}}{{\cos x}}\).
- 12M.1.hl.TZ2.9: Show that \(\frac{{\cos A + \sin A}}{{\cos A - \sin A}} = \sec 2A + \tan 2A\) .
- 12N.1.hl.TZ0.8b: Hence, show that \(\tan \theta = \frac{1}{{1 + 2\pi }}\), where \(\theta \) is the acute angle...
- 08M.1.hl.TZ2.3: In the diagram below, AD is perpendicular to BC. CD = 4, BD = 2 and AD = 3....
- 13M.1.hl.TZ1.12f: Prove that \(\int_1^{3.5} {\frac{1}{{4{x^2} - 4x + 5}}{\text{d}}x = \frac{\pi }{{16}}} \).
- 10M.1.hl.TZ1.13: (a) Show that...
- 10M.1.hl.TZ2.6: If x satisfies the equation...
- 13M.1.hl.TZ2.10a: Given that...
- 13M.1.hl.TZ2.10b: Hence find the value of...
- 11N.2.hl.TZ0.4a: Given that...
- 11M.1.hl.TZ1.5b: Hence find the value of \(\cot \frac{\pi }{8}\) in the form \(a + b\sqrt 2 \) , where...
- 11M.1.hl.TZ1.5a: Show that \(\frac{{\sin 2\theta }}{{1 + \cos 2\theta }} = \tan \theta \) .
- 13N.1.hl.TZ0.8: (a) Prove the trigonometric identity \(\sin (x + y)\sin (x - y) = {\sin ^2}x - {\sin...
- 15N.1.hl.TZ0.8a: Show that \(\sin \left( {\theta + \frac{\pi }{2}} \right) = \cos \theta \).
- 14N.1.hl.TZ0.13b: (i) Use the double angle identity...
- 14N.2.hl.TZ0.14a: Show that \(\sin (B + C) = \frac{1}{2}\).