Mathematics · Trigonometry
If tan(α) = 17 and tan(β) = 13, then cos(2α) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cos(2β)
- 2sin(3β)
- 3sin(4β)✓
- 4sin(2β)
Correct answer
sin(4β)
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