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Trigonometric Functions. Radian. The measure of an angle subtended at the centre of a circle by an arc equal to its radius is defined as one radian . Radian Measure. (A) Conversion between Degrees and Radians. Radian Measure. (B) Length of Arc (s) and Area Sector (A). Radian Measure.
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Radian The measure of an angle subtended at the centre of a circle by an arc equal to its radius is defined as one radian.
Radian Measure (A) Conversion between Degrees and Radians
Radian Measure (B) Length of Arc (s) and Area Sector (A)
Exercise 5.1 P.145
(B) Square Relations sin2θ + cos2θ= 1 sec2θ- tan2θ = 1 cosec2θ-cot2θ= 1
Exercise 5.2 P.154
Exercise 5.3 P.161
Rule : Try to change the functions of the equation containing one function only.
Exercise 5.4 P.169