Adaptive Practice
Introduction to Trigonometry
8 questions • Earn up to 76 XP • First attempt — go for 100%!
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Question 1 of 8
⏱ 0:30
Easy
sin 30° = ?
Medium
If sin A = 3/5, what is cos A?
Easy
tan 45° = ?
Easy
sin²θ + cos²θ = ?
Medium
sec 60° = ?
Easy
If tan θ = 1, then θ = ?
Medium
(1 + tan²A) equals:
Medium
sin(90° − θ) = ?