Home › TS EAPCET (Engineering) › Mathematics › Trigonometric Functions › Between 0 and 2π inclusive, how many angles sati…
Between 0 and 2π inclusive, how many angles satisfy sin 2x = 1?
A2
B3
C1
D4
Answer & Solution
Correct answer: A. 2
2x = π/2 or 5π/2 within [0, 4π], so x = π/4 and 5π/4.
Related questions
Inside (0, π/2), the angle where tan x equals its own reciprocal isThe least positive root of the equation sin 2x = sin x isAdding every root of 2 sin x cos x = sin x on [0, π] givesSolving sin x = sin α completely, with n an integer, givesTangent takes positive values in which pair of quadrants?A point has sine 3/5 and sits in the second quadrant; its cosine isHalving the angle inside a cosine stretches its repetition length toThe sine wave of 3x repeats after how much increase in x?