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Trigonometry Practice

Instant answers and explanations after every question.

  1. Q1Trigonometry
    If sec θ = 17/8 and θ is acute, what is the value of 8 tan θ + 17 sin θ?
  2. Q2Trigonometry
    If sec θ + tan θ = 4, what is the value of sec θ - tan θ?
  3. Q3Trigonometry
    If tan A = 3/4, where 0 < A < 90 degrees, what is the value of (5 sin A + 3 cos A) / (5 sin A - 3 cos A)?
  4. Q4Trigonometry
    What is the value of tan^2 60 + 4 cos^2 45 + 3 sec^2 30 + 5 cos^2 90 (all angles in degrees)?
  5. Q5Trigonometry
    What is the value of 2 tan^2 45° + cos^2 30° - sin^2 60°?