Mathematics · Trigonometric Functions
Determine the values of sin(21π2) and cos(-1740°) respectively.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11, 12✓
- 20, 1√2
- 3√32, 1√2
- 4√32, 12
Correct answer
1, 12
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