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Category: Geometry

Question-11915

Question Number 11915 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 04/Apr/17 Commented by b.e.h.i.8.3.4.1.7@gmail.com last updated on 04/Apr/17 Commented by b.e.h.i.8.3.4.1.7@gmail.com last updated on 04/Apr/17 $${see}\:{diagram}\Uparrow\Uparrow\Uparrow.\left({not}\:{in}\:{scale}\right) \

sin-2-7cos-2-6-find-

Question Number 11781 by tawa last updated on 31/Mar/17 sin(2θ)+7cos(2θ)=6findθ Answered by sma3l2996 last updated on 31/Mar/17 $$\mathrm{2}{sin}\left(\theta\right){cos}\left(\theta\right)+\mathrm{7}{cos}^{\mathrm{2}} \left(\theta\right)−\mathrm{7}{sin}^{\mathrm{2}} \left(\theta\right)=\mathrm{6} \