Answers: 2
![sin^{-1}\left(\cfrac{\sqrt{7}}{7} \right)=\theta \qquad therefore\qquad tan\left[ sin^{-1}\left(\cfrac{\sqrt{7}}{7} \right) \right]\implies tan(\theta ) \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{this really means}}{sin^{-1}\left(\cfrac{\sqrt{7}}{7} \right)=\theta}\implies \cfrac{\stackrel{opposite}{\sqrt{7}}}{\underset{hypotenuse}{7}}=sin(\theta )](/tpl/images/2640/5912/9f572.png)
![\textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies \sqrt{c^2-b^2}=a \qquad \begin{cases} c=\stackrel{hypotenuse}{7}\\ a=adjacent\\ b=\stackrel{opposite}{\sqrt{7}}\\ \end{cases} \\\\\\ \pm\sqrt{7^2-(\sqrt{7})^2}=a\implies \pm\sqrt{42}=a\implies \stackrel{I~Quadrant}{+\sqrt{42}=a} \\\\[-0.35em] \rule{34em}{0.25pt}](/tpl/images/2640/5912/e3895.png)
Another question on Mathematics
Mathematics, 21.06.2019 23:20
Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?
Answers: 1
Mathematics, 22.06.2019 00:00
The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?
Answers: 2
You know the right answer?
Evaluate without a calculator: tan (sin-1 ((√ 7)/7)...
Questions
History, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
History, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
Physics, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
Computers and Technology, 21.09.2019 14:30
Chemistry, 21.09.2019 14:30
History, 21.09.2019 14:30
Health, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
