Math Ladder

Trigonometry worksheets Grade 11

Right-triangle trig, special angles, radians, the unit circle, graphs, identities, trig equations, and the laws of sines and cosines.

  1. Right triangle trigonometry: sin, cos and tanFind sine, cosine and tangent from the sides of a right triangle.
  2. Special right triangles and exact trig valuesUse the 30-60-90 and 45-45-90 triangles to find exact values.
  3. Converting degrees and radiansConvert angles between degrees and radians.
  4. The unit circleFind exact trig values on the unit circle using reference angles and quadrant signs.
  5. Amplitude and periodFind the amplitude and period of sine and cosine functions.
  6. The Pythagorean identityUse sin² θ + cos² θ = 1 to find a missing trig value and its sign.
  7. Simplifying trig expressions with identitiesSimplify trig expressions by rewriting in sine and cosine.
  8. Solving trigonometric equationsSolve trig equations for every angle from 0 to 2π.
  9. The law of cosinesFind a side of a triangle from two sides and the angle between them.
  10. The law of sinesFind a side of a triangle from two angles and a side.

Unit packet

One two-sided worksheet for every topic, then the unit test, with the answer key at the back. Fresh each time.

Unit test

Two problems from every topic. Pass it and move up to the next unit.