Category: Trigonometry

Question Number 52841 by Tawa1 last updated on 13/Jan/19 Commented by maxmathsup by imad last updated on 14/Jan/19 $$\pi \to {180}^o$$$$\alpha \to k^o\Rightarrow {180}^{}.\alpha =k\pi \Rightarrow \alpha =\frac{k\pi }{180}\Rightarrow$$$${S}=\sum_{{k}=\mathrm{0}}…

Question Number 118366 by andilizhaa last updated on 17/Oct/20 $$4.\mathrm{Turunan}\mathrm{fungsi}\mathrm{f}\left(\mathrm{x}\right){=}^5\sqrt{{({10\mathrm{x}}^2-4)}^8}$$$$\mathrm{adalah}{\mathrm{f}}^1\left(\mathrm{x}\right).\mathrm{Nilai}{\mathrm{f}}^1\left(1\right)=\dots$$$$a.1$$$$b.8$$$$c.14$$$$\mathrm{d}.\:\mathrm{16}…

Question Number 118209 by bemath last updated on 16/Oct/20 Answered by MJS_new last updated on 16/Oct/20 $$AB=y$$$$\left(1\right)x^2+y^2={20}^2$$$$\left(\mathrm{2}\right)\:\:\:\:\:\left({x}−\mathrm{7}\right)^{\mathrm{2}} +{y}^{\mathrm{2}} =\mathrm{15}^{\mathrm{2}}…

Question Number 118133 by andilizhaa last updated on 15/Oct/20 $$2.\mathrm{Turunan}\mathrm{pertama}\mathrm{dari}\mathrm{f}\left(\mathrm{x}\right)={5\mathrm{x}}^4+\mathrm{x}\sqrt{\mathrm{x}}+\frac{6}{\sqrt{\times }}-\sin \mathrm{x}-2\cos \mathrm{x}+5adalah\dots$$$$\mathrm{a}.{\mathrm{f}}^1\left(\mathrm{x}\right)={20\mathrm{x}}^3+\frac{3}{2}\sqrt{\mathrm{x}}+\frac{6}{\times \sqrt{\times }}+\cos \mathrm{x}-2\sin \mathrm{x}$$$$\mathrm{b}.{\mathrm{f}}^1\left(\mathrm{x}\right)={20\mathrm{x}}^3+\frac{3}{2}\sqrt{\mathrm{x}}-\frac{3}{\mathrm{x}\sqrt{\mathrm{x}}}-\cos \mathrm{x}+2\sin \mathrm{x}$$$$\mathrm{c}.{\mathrm{f}}^1\left(\mathrm{x}\right)={20\mathrm{x}}^3+\frac{3}{2}\sqrt{\mathrm{x}}-\frac{1}{\mathrm{x}\sqrt{\mathrm{x}}}-\cos \mathrm{x}+2\sin \mathrm{x}$$$$\mathrm{d}.\:\mathrm{f}^{\mathrm{1}}…

Question Number 183633 by a.lgnaoui last updated on 27/Dec/22 $$Montrerque$$$${\left(\frac{a}{b}\right)}^2=\frac{c}{d}+1$$ Commented by a.lgnaoui last updated on 27/Dec/22 Answered by mr…