Class 11 Maths: Trigonometric Functions Worksheet
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Q1 · MCQ · 1 mark
The value of sin(75°) is:
Q2 · MCQ · 1 mark
If sin x = 1/2 and cos x = -√3/2, then x lies in which quadrant?
Q3 · MCQ · 1 mark
The general solution for tan x = √3 is:
Q4 · MCQ · 1 mark
The value of 2 sin(15°) cos(15°) is:
Q5 · MCQ · 1 mark
If cos x = -1/2 and x lies in the third quadrant, the principal value of x is:
Q6 · FILL · 1 mark
The principal value of cos⁻¹(-1/2) is ________.
Q7 · FILL · 1 mark
The domain of sin x is ________.
Q8 · FILL · 1 mark
If sin A = 3/5 and A is in the first quadrant, then cos A = ________.
Q9 · SHORT · 2 marks
Prove the identity: (sin x + cos x)² = 1 + sin(2x).
Q10 · SHORT · 2 marks
Find the general solution of the equation 2 cos²x - 1 = 0.