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Sub-topics: 13.1 Circular measure of angles. Angle, arc, sector. (6) 13.2 The functions sin x, cos x, tan x, cosec x, sec x, cot x and their graphs. (4) 13.3 Periodicity and other simple properties of the functions sin x, cos x and tan x. (0) 13.4 Approximations to sin x, cos x, tan x, when x is small. (0) 13.4 E lim x → 0 (sin x / x) = 1 (1) 13.5 Differentiation of cos x, sin x, tan x. (0) 13.6 E Primitive functions of sin2x and cos2x. (0) 13.6 Primitive functions of sin x, cos x, sec2x. (0) 13.7 Extension of 13.2 – 13.6 to functions of the form a sin(bx + c), etc. (0)
