Category: Trigonometry

Question Number 59326 by prattushdas7@gmail.com last updated on 08/May/19 $$sin{cos}^{-1}(-\sqrt{3/2)}$$ Commented by MJS last updated on 08/May/19 $$\mathrm{sin}\:\mathrm{cos}^{−\mathrm{1}} \:{x}\:=\mathrm{cos}\:\mathrm{sin}^{−\mathrm{1}} \:{x}\:=\sqrt{\mathrm{1}−{x}^{\mathrm{2}} } \…

Question Number 59246 by hovea cw last updated on 06/May/19 Commented by MJS last updated on 06/May/19 $$\left(1\right){\mathrm{doesn}}^{\prime }\mathrm{t}\mathrm{seem}\mathrm{to}\mathrm{have}\mathrm{a}“{\mathrm{nice}}^{″}\mathrm{solution}$$$$\mathrm{I}\mathrm{get}\sqrt{3}\tan 10°\cos 40°\approx .233956$$ Commented by maxmathsup…

Question Number 190249 by alcohol last updated on 30/Mar/23 $$if8\mathrm{\%}errorismadeonx,$$$$whatisthepercentageerror$$$$on\lambda x^{\frac{1}{5}}?$$ Answered by mr W last updated on 30/Mar/23…

Question Number 190134 by horsebrand11 last updated on 28/Mar/23 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 59006 by arcana last updated on 03/May/19 $$probarconh\ne 0$$$$\frac{sin(x+h)-sin\left(x\right)}{h}=\frac{sin\left(h/2\right)}{h/2}cos(x+\frac{h}{2})$$$$$$ Commented by arcana last updated on 25/May/19 $${usando}\:\:\mathrm{2}{sin}\left({x}\right){cos}\left({y}\right)={sin}\left({x}+{y}\right)−{sin}\left({y}−{x}\right) \…