4 Given that sin a and cos b 7 find the exact values of sin

Last updated: 5/20/2023

4 Given that sin a and cos b 7 find the exact values of sin a b and cos a b Step 1 Since sin a cos a Step 2 Since cos b sin b Step 3 cos a b 4 4 7 4 74 with a and b both in the interval and a in the interval 72 2 T and b in the interval 2 7 9 J 2