1a Find the radius of latitude 60°s (take radius of the earth as 6400km)
1b What is the distance between two towns P(60°S, 10°E) and Q(60°S 70°E) (take radius of the earth as 6400km)
2 Draw the graph of y = 3sinθ -1 and y = 2cosθ on the same sheet if graph for 0°≤ θ ≤ 360 from the graph
a) Solve the equation
3sinθ - 2cosθ -1 =0
b) find the maximum value of the curve y = 3cosθ - 1 stating the value of θ where it occurs.?
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Asked by emilia on 13th April, 2020
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