Class 11 Maths: Trigonometric Functions Worksheet

1. Q1. The value of sin(75°) is:
   • (√3 + 1) / (2√2)
   • (√3 - 1) / (2√2)
   • 1 / (2√2)
   • √3 / (2√2)
2. Q2. If sin x = 1/2 and cos x = -√3/2, then x lies in which quadrant?
   • First Quadrant
   • Second Quadrant
   • Third Quadrant
   • Fourth Quadrant
3. Q3. The general solution for tan x = √3 is:
   • nπ + π/6, n ∈ Z
   • nπ + π/3, n ∈ Z
   • 2nπ + π/3, n ∈ Z
   • 2nπ + π/6, n ∈ Z
4. Q4. The value of 2 sin(15°) cos(15°) is:
   • 1/4
   • 1/2
   • √3/2
   • 1
5. Q5. If cos x = -1/2 and x lies in the third quadrant, the principal value of x is:
   • π/3
   • 2π/3
   • 4π/3
   • 5π/3

+ 5 more in the printable PDF.