Answered

Find the best answers to your questions at Westonci.ca, where experts and enthusiasts provide accurate, reliable information. Discover comprehensive answers to your questions from knowledgeable professionals on our user-friendly platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

.Find all solutions to the equation.

7 sin2x - 14 sin x + 2 = -5

Sagot :

[tex]7sin^2x-14sinx+2=-5\\\\7sin^2x-14sinx+2+5=0\\\\7sin^2x-14sinx+7=0\ \ \ \ \ |divide\ both\ sides\ by\ 7\\\\sin^2x-2sinx+1=0\\\\(sinx-1)^2=0\iff sinx-1=0\\\\sinx=1\Rightarrow x=\frac{\pi}{2}+2k\pi=\frac{4k+1}{2}\pi\ (k\in\mathbb{Z})[/tex]
We appreciate your visit. Hopefully, the answers you found were beneficial. Don't hesitate to come back for more information. Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.