Mew history Bookmarks People Window Help 74 Ex B Anin x c O

Mew history Bookmarks People Window Help 74 Ex B Anin x c O www.webassign.net/web/Student/Assignment Responses/submit?dep 15306147 11. O -1 points SAgTrig4 7.4.034. My Notes o Ask Yo Find all solutions of the given equation. (Enter your pnswers as a comma-separated list. Let k be any integer. Round terms to two decimal places where a appropriate.) 2 sin (0) 6- rad 12. O -1 points SAgTrig4 7.4.036 MMI My Notes Ask You Find all solutions of the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.) 49 sin (6) 1 0 rad Need Help? L Master It C C C

Solution

2sin²theta-1=0

2 sin²theta=1

sin²theta=1/2

sin theta=+-sqrt 2/2

theta= sin^-1(sqrt2 /2), sin^-1(-sqrt2/2)

theta=pi/4, 3pi/4, 5pi/4, 7pi/4