Mathematics · Trigonometry
यदि sin θ = 817 है, और θ दूसरे चतुर्थांश (second quadrant) में स्थित है, तो cos θ का मान ज्ञात कीजिए।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1−1217
- 21417
- 31217
- 4−1517✓
सही उत्तर देखें
−1517
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