Category: Trigonometry

Question Number 54626 by Aditya789 last updated on 08/Feb/19 $$\frac{1+\mathrm{sinx}+\mathrm{cox}}{1+\mathrm{sinx}-\mathrm{cosx}}=\frac{1-\mathrm{cosx}}{1+\mathrm{cosx}}$$ Answered by tanmay.chaudhury50@gmail.com last updated on 08/Feb/19 $$LHS$$$$\frac{\mathrm{2}{cos}^{\mathrm{2}} \frac{{x}}{\mathrm{2}}+\mathrm{2}{sin}\frac{{x}}{\mathrm{2}}{cos}\frac{{x}}{\mathrm{2}}}{\mathrm{2}{sin}^{\mathrm{2}} \frac{{x}}{\mathrm{2}}+\mathrm{2}{sin}\frac{{x}}{\mathrm{2}}{cos}\frac{{x}}{\mathrm{2}}} \…

Question Number 185647 by Mingma last updated on 24/Jan/23 Answered by mahdipoor last updated on 24/Jan/23 $$secx+{tan}^{3}x.cscx=\frac{1}{cosx}+\frac{{sin}^{2}x}{{cos}^{3}x}=\frac{{cos}^{2}x+{sin}^{2}x}{{cos}^{3}x}=$$$$\frac{\mathrm{1}}{{cos}^{\mathrm{3}}…

Question Number 54537 by hsbebeb last updated on 05/Feb/19 $${tan}^{2}20+{tan}^{2}40+{tan}^{2}80=33$$$$(pleasesolvethisandiwanttoknow$$$$thatwhichstandardthatquestionbelongs?)$$$$helpneeded$$ Commented by tanmay.chaudhury50@gmail.com last…

Question Number 185597 by Rupesh123 last updated on 24/Jan/23 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 54480 by 951172235v last updated on 04/Feb/19 $$\mathrm{show}\mathrm{that}$$$$\tan \alpha +\tan (\alpha +\frac{2\stackrel{-}{\mathrm{\Lambda }}}{5})+\tan (\alpha +\frac{4\stackrel{-}{\mathrm{\Lambda }}}{5})+\tan (\alpha +\frac{6\stackrel{-}{\mathrm{\Lambda }}}{5})+\tan (\alpha +\frac{8\stackrel{-}{\mathrm{\Lambda }}}{5})=5\tan 5\alpha$$ Answered by tanmay.chaudhury50@gmail.com last updated on 05/Feb/19…