3.1 In the diagram below, ΔAQPR is a right-angled triangle with QPR = 90 ^{o}

3.1.1 Use the sketch to determine the ratio of tan(90^{0 }— R). (1)

3.1.2 Write down the trigonometric ratio that is equal to _{}

S(-3 ; -4) is a point on the Carstesian plane such that OS makes an angle of θ with the positive *x*-axis.

Calculate the following WITHOUT using a calculator:

3.2.1 The length of OS (2)

3.2.2 The value of sec θ + sin ^{2 }θ (3)

3.3 Determine the value of the following WITHOUT using a calculator:

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