Category: Trigonometry

Question Number 12713 by ashok kumar last updated on 29/Apr/17 $$\mathit{Q}.\mathit{\theta }={\tan }^{-1}4/3$$$$$$ Commented by prakash jain last updated on 01/May/17 $$\mathrm{agar}\:\mathrm{ye}\:\mathrm{textbook}\:\mathrm{ka}\:\mathrm{question}\:\mathrm{hai}…

Question Number 12688 by frank ntulah last updated on 29/Apr/17 $$\mathrm{prove}$$$$\left(\frac{\sin (\mathrm{x}+\mathrm{y})}{\cos x\cos y}\right)=\tan x+\tan y$$ Answered by nume1114 last updated on 29/Apr/17 $$ifyoumean:$$$$\frac{\mathrm{sin}\:\left({x}+{y}\right)}{\mathrm{cos}\:{x}\mathrm{cos}\:{y}}=\mathrm{tan}\:{x}+\mathrm{tan}\:{y}\:\:…

Question Number 12613 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 26/Apr/17 Answered by b.e.h.i.8.3.4.1.7@gmail.com last updated on 28/Apr/17 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 12603 by ashok kumar last updated on 26/Apr/17 $$Q.\mathrm{value}\mathrm{of}\theta =\tan 3/4.$$ Answered by mrW1 last updated on 26/Apr/17 $$whatistheconcretequestion?$$$$$$$$\theta=\mathrm{tan}\:\mathrm{3}/\mathrm{4}=\mathrm{0}.\mathrm{931}…

Question Number 143641 by mathlove last updated on 16/Jun/21 $$\sin 160-\sin 20=?$$ Answered by Rasheed.Sindhi last updated on 16/Jun/21 $$\sin 160-\sin 20$$$$=\sin (180-20)-\sin 20$$$$=\mathrm{sin180cos20}−\mathrm{cos180sin20}−\mathrm{sin20} \…