Trigonometric Functions — Important Questions
Telangana Open School (TOSS) · Class 12 · Mathematics
52 important questions from Trigonometric Functions for Telangana Open School (TOSS) Class 12 Mathematics, with answers. Written for the board exams 2027.
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Important Questions from Trigonometric Functions
What is the range of the sine function?
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[-1, 1]
The sine function oscillates between -1 and 1 for all real numbers.
What is the period of the function y = sin x?
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2π
The sine function repeats every 2π radians, so its period is 2π.
What is the value of tan(π/4)?
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1
tan(π/4) = tan(45°) = 1.
In which quadrant is sin θ positive and cos θ negative?
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II
In the second quadrant, sine is positive and cosine is negative.
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