4 Find the EXACT value of sin(A – B) if sin A= where A is in Quadrant IV and sin B 5 in Quadrant II. Assume all angles are measured from standard position. 15 where B is 17 sin(A - B) =
Find the EXACT value of sin(A - B) if sin A = – 5 15 where A is in Quadrant IV and sin B where B is in 17 Quadrant IV. Assume all angles are measured from standard position. sin(A – B) =
Find the exact value of the expressions cos(a + b), sin(a + b) and tan(a+) under the following conditions: sin(a)= a lies in quadrant I, and sin(B) = - Blies in quadrant II. a. cos(a +B)= (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in
5 4 If tan = and coto= find the exact value of sin(0-0). 9 Note: Be sure to enter EXACT values 1 You do not need to simplify any radicals. sin(0-0)- 2 If cosa = 0.369 and cos B 0.195 with both angles' terminal rays in Quadrant-l, find the values of (a) sin(a +B) = (b) sin(B-a) = Your answers should be accurate to 4 decimal places. Give exact answers 2 sin(a) = and cos(B) 4 5 Both angles terminate...
Find the exact value of the following: 2. (12 pts.) Find the exact value TI a. COS -COS 24 c. sin(52.5°) sin(7.5°) b. tan 61322
Find the exact value of the expressions cos(a +B), sin(Q+B) and tan(a +B) under the following conditions: sin(a) = 15 17 40 a lies in quadrant I, and sin(B) = 41 Blies in quadrant II. a. cos(a + b) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers
2. (12 pts.) Find the exact value. a. sin(165) c. sin(52.5°) sin(7.5°) b. tan(15) 1 -tan (15)
Use the given information to find the exact value of the expression. 4 5 22) tan a = , a lies in quadrant III, and cos B = - 3' ß lies in quadrant II 13 Find a) sin (a - b) and b) tan (a + b). 9
3. Given: A and B are positive acute angles, where sin A = { and cos B = 3 Find the exact value of sin(A+B). 4. Given: angles A and B are in Quadrant I, where 5 tan 4= - and sin B=- V74 Find the exact value of tan(A+B). 5. Given: A lies in Quadrant III and B lies in Quadrant II, sin A=-.- and cos B= Find the exact value of cos(A-B). 17
b. 2. (12 pts.) Find the exact value. sin(1659) c. sin(52.5°) sin(7.5°) tan(159) 1 - tan2(15°) a.