alleryIn which quadrant is tan x POSITIVE while sin x is NEGATIVE?
AI
BIII
CII
DIV
Answer & Solution
Correct answer: B. III
**Quadrant signs:** I (all +), II (sin/cosec +), III (tan/cot +), IV (cos/sec +).
Quadrant III has both sin and cos negative
→ sin x < 0 and tan x = sin/cos > 0.
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