a)Complete the table below to 2 d.p. b)Draw the graphs of y = cos x and y = sin x – cos x, for 0 =...

a)Complete the table below to 2 d.p.

b)Draw the graphs of y = cos x and y = sin x – cos x, for 0 ≤ x ≤ 180
c) Using your graphs:
i) Solve the equation ½ Sin x = Cos x.
ii) State the range of values of x in 0 ≤ x ≤ 180, for which 2 Cos x ≤ Sin x.
iii) Solve the equation
Sin x – 1.25 = Cos x

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Kavungya answered the question on October 12, 2019 at 09:31

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