WeBWorK M 201FA16 Homework93 10 Google Chrome httpswebworkcl

WeBWorK M 2-01-FA16 Homework9.3 10 Google Chrome https://webwork.clayton edi /M kmagby38 user Ekmagby3&key; OxLYOsxTXOapNrdaov0CuEKiT8aZEg0V u/webwork WeBWorK MATHEMATICAL ASSOCIATION OF AMERICA webwork m 9.3 10 MAIN MENU Courses Homework Sets Homework 9.3: Problem 10 Homework 9.3 Problem 10 Previous Problem Ned User Settings Grades and m/2 a/2). point) Given T. find the exact value of sin Note: You are not allowed to use decimals in your answer Problems sin (a/2 9/5 Problem 1 Problem 2 Preview My Answers Submit Answers Problem 3. Problem 4 You have attempted this problem 19 times. Problem 5 Your overall recorded score is 0%. You have unlimited attempts remaining. Problem 6 Problem 7 Problem 8 Email instructor Problem 9 Problem 10 Problem Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 2/08/20 08:25pm EST Logged in as kamagby3. og Out 825 PM

Solution

sin alpha=5/9

here opposite=5   and hypotenuse=9

adjacent=sqrt(9²-5²)= sqrt56

in second quadrant cosine is negative

cos alpha= -sqrt56/9

sin (alpha/2)=sqrt(1-cos alpha)/2

                    = sqrt((1+ sqrt56/9)/2)= sqrt((9+sqrt56)/18)= (1/3)sqrt((9+sqrt56)/ 2)