a) Complete the table below for the values of sin 2x and 2 cos (x - 30^o)

a) Complete the table below for the values of sin 2x and 2 cos (x - 30^o)

b) On the grid provided, use a suitable scale to draw the graphs of y = sin 2x and y = 2 cos (x - 30^o)
for 0^o ≤ x ≤ 180^o
c) Using the graph in part (b) above.
i) Estimate the solution to the equation 2cos (x - 30^o) - sin 2x = 0 for 0^o ≤ x ≤ 180^o
ii) Estimate the value of x for which 4 cos (x - 30^o) + 3 = 0

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sharon kalunda answered the question on May 9, 2019 at 08:43

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