WorksheetsVery Hard Trigonometric Equations
Total questions: 10
Worksheet time: 5mins
Solve for x: sin(x) = 0.5
x = π/4 or x = 45 degrees.
x = π/3 or x = 60 degrees.
x = π/2 or x = 90 degrees.
x = π/6 or x = 30 degrees
Solve for x: cos(x) = -0.8
-2.4981 radians or -143.13 degrees
1.4981 radians or 85.87 degrees
2.4981 radians or 143.13 degrees
0.8 radians or 45.87 degrees
Solve for x: tan(x) = 1
x = π/2 or 90 degrees.
x = π/6 or 30 degrees.
x = π/3 or 60 degrees.
x = π/4 or 45 degrees
Solve for x: sec(x) = 2
x = arcsin(1/2)
x = arccos(2)
x = arctan(2)
x = arccos(1/2)
Solve for x: csc(x) = -1
-π/2 or -90 degrees
3π/2 or 270 degrees
π/4 or 45 degrees
π/2 or 90 degrees
Solve for x: cot(x) = -0.5
x = arctan(1)
x = arctan(2)
x = arctan(0.5)
x = arctan(-2)
Solve for x: sin(2x) = 0.7
x = arcsin(0.7)
x = arcsin(0.5)
x = arcsin(0.8)
x = arcsin(1.2)
Solve for x: cos(2x) = -0.3
x = 3.14 radians or x = 180 degrees.
x = 1.87 radians or x = 107.13 degrees
x = 0.92 radians or x = 52.79 degrees.
x = 2.35 radians or x = 134.65 degrees.
Solve for x: tan(2x) = 1.5
x = 1.5 radians or x = 86.41 degrees.
x = 0.7854 radians or x = 45 degrees.
x = 2.3562 radians or x = 135 degrees.
x = 0.9828 radians or x = 56.31 degrees
Solve for x: sin(x) + cos(x) = 1
x = pi/6 + n*pi, x = 2*pi*n.
x = pi/2 + n*pi, x = 2*pi*n
x = pi/3 + n*pi, x = 2*pi*n.
x = pi/4 + n*pi, x = 2*pi*n.
