Mathematics · Trigonometry
If 630° < θ < 810° and tan(θ) = -724, then cos(θ4) =
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-√7 + 5√210√2✓
- 2√7 + 5√22√2
- 3-√5√2 - 710√2
- 4√5√2 - 72√2
Correct answer
-√7 + 5√210√2
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