Please help!!

Q1.

Cos, Sin & Tan

Find the exact value of the expressions cos(a + B), sin(a + B) and tan(a + B) under the following conditions: 24 15 sin(@) = 25 a lies in quadrant I, and sin(B) = 17 B lies in quadrant II.7 tan a: a, 0: lies in quadrant II, and cos B = E, [3 lies in quadrant I a. sin (or + [3) b. cos (a + l3) c. tan (0: + [3) Find the exact value of each of the following under the given conditions. 5 tan a = - 12 a lies in quadrant II, and cos B = B lies in quadrant I a. sin (a + B) b. cos (a + B) c. tan (a + B)Find the exact value of each of the following under the given conditions. a. cos (a + B) b. sin (a + B) c. tan (a + B) 3T 2 tan a = 4 IT