Category: Trigonometry

Question Number 208 by 02@>@0 last updated on 25/Jan/15 $$$$ Answered by 123456 last updated on 16/Dec/14 $$\mathbf{R}\mathrm{andom}\mathbf{things}\mathbb{L}\mathcal{O}\mathfrak{l}\mathcal{I}$$$$\mathrm{lets}\mathrm{f}:[0\mid 1]\to \mathbb{R}\mathrm{be}\mathrm{a}\mathrm{integable}\mathrm{and}\mathrm{continuos}\mathrm{function}$$$$\mathrm{define}\:\parallel{f}\parallel\:\mathrm{be}\:\left[\mathrm{0}\mid\mathrm{1}\right]\rightarrow\mathbb{R}^{+} \:\mathrm{where}…

Question Number 131252 by bramlexs22 last updated on 03/Feb/21 $$\int \sin {}^{3}t\sqrt{9t^2+4\cos {}^{2}t}dt?$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 131230 by Fikret last updated on 02/Feb/21 $$\frac{sin5}{cos0.cos5}+\frac{sin5}{cos5.cos10}+...+\frac{sin5}{cos55.cos60}=?$$ Answered by mr W last updated on 02/Feb/21 $$example:$$$$\sin 5=\sin (10-5)=\sin 10\cos 5-\cos 10\sin 5$$$$\frac{\mathrm{sin}\:\mathrm{5}}{\mathrm{cos}\:\mathrm{5}\:\mathrm{cos}\:\mathrm{10}}=\mathrm{tan}\:\mathrm{10}−\mathrm{tan}\:\mathrm{5}…

Question Number 105 by mr.guddukr@gmail.com last updated on 25/Jan/15 $$sin5\theta =?$$ Answered by mreddy last updated on 03/Dec/14 $$\sin 2\theta =2\sin \theta \cos \theta$$$$\cos 2\theta =1-{2\sin }^2\theta$$$$\mathrm{sin}\:\mathrm{3}\theta=\mathrm{sin}\:\left(\mathrm{2}\theta+\theta\right)=\mathrm{2sin}\:\theta\mathrm{cos}^{\mathrm{2}}…

Question Number 65580 by bshahid010@gmail.com last updated on 31/Jul/19 Terms of Service Privacy Policy Contact: info@tinkutara.com