12th Grade Inverse Cosine Quizzes, Questions & Answers

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Inverse Cosine Quizzes By Grade

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Evaluating Inverse Cosine Expressions

Think of this quiz as your practice ground for decoding across values. You’ll be working through exact values of inverse cosine, matching them to their correct angles in radians. From simple inputs like 0 and 1...

Questions: 20 | Attempts: 10 | Last updated: Nov 26, 2025

Sample Question 1
What is the exact value of arccos(1/2)?

5π/6

2π/3

π/3

π/6

Sample Question 2
What is the exact value of arccos(0)?

π/2

0

π/4

π

Sample Question 3
What is the exact value of arccos(-1/2)?

π/3

4π/3

5π/6

2π/3