5.1 On the same set of axes draw ƒ(𝑥) = -cos(45° – 𝑥) and g(𝑥) = tan(-𝑥) in the interval of -90° ≤ 𝑥 ≤ -180°. Make use of the grid provided in the SPECIAL ANSWER BOOK.
5.2 For which values of 𝑥 is ƒ(𝑥) – g(𝑥) ≤ 0 for 𝑥 ∈ [−90°; 90°] (2)
5.3 Write down the equation of ℎ(𝑥) if ℎ(𝑥) = -ƒ(𝑥 – 45°) (2)
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