6.1 In the diagram, P(—5 ; 12) and T lies on the positive x-axis. PÔT = 0
Answer the following without using a calculator:
6.1.1 Write down the value of tan0 (1)
6.1.2 Calculate the value of cos0 (3)
6.1.3 S(a, b) is a point in the third quadrant such that TÔS = 0 + 90º and OS = 6,5 units. Calculate the value of b. (4)
6.2 Determine, without using a calculator, the value of the following trigonometric expression: (5)
6.3 Determine the general solution of the following equation:
6sin2 x + 7 cos x -3 = 0 (6)
6.4 Given:
Determine the value of cos 2A without using a calculator. (5)
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