SSC CHSL Tier-1 previous year question
If cosθ=3/5 and θ is in Quadrant IV, find tanθ.
Asked in SSC CHSL Tier-1 (15 Nov 2025 Shift 1) · Quantitative Aptitude
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Correct answer: (B) −4/3
In Quadrant IV, cos is positive, sin is negative. From 3-4-5 triple, sinθ=−4/5, cosθ=3/5, so tanθ=sinθ/cosθ=−4/3.
हिंदी में प्रश्न
यदि cosθ=3/5 और θ चतुर्थांश IV में है, तो tanθ ज्ञात कीजिए।
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सही उत्तर: (B) −4/3
चतुर्थांश IV में cos धनात्मक, sin ऋणात्मक है। 3-4-5 त्रिक से sinθ=−4/5, cosθ=3/5, अतः tanθ=−4/3.
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