315 35 28 1.1. 1.2. Without calculating the value of 0, determine the ratio of cos 0 and sin 0 3 1.1.1. Calculate the value of 0 1.1.2. Hence, or otherwise, prove that: sino2 + cos2 = 1 If 37sin 0 -- 32 = 3 and 0 E °, 90°] Determine with the help of a diagram 1.2.1. Stano 1.2.2. 24sec 0 - 70 coto If x € [0°, 90°] Solve for X if 1.3.1. 8 cos(x + 10º) 1.3.2. cosec 2x = 2 In the diagram below ABC = 90°, AB = 15cm, AD = 4,4cm, B = 55° and ADC = 90° 1.3. 1.4. А​