Trigonometry Functions – Class XI -Exercise 3.1 — Breath Math

Find the radian measures corresponding to the following degree (i) 25˚ (ii) -47˚30’ (iii) 240˚ (iv) 520˚ Solution: (i) 25˚ We know that 180˚ = π radian 25˚ = π/180 x 25radian = 5π/36 radians (ii) -47˚30’ -47˚30’ = -471/2 = -95/2 degree -95/2 degree = π/180 x -95/2 radians = (-19/36×2) π radian = […]

via Trigonometry Functions – Class XI -Exercise 3.1 — Breath Math

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