AP EAMCET · Maths · Trigonometric Ratios & Identities
If then lies in the
- A quadrant
- B quadrant
- C quadrant
- D
Answer & Solution
Correct Answer
(B) quadrant
Step-by-step Solution
Detailed explanation
cosecθ+cotθ=13 ⇒1+cosθsinθ=13 3+3cosθ=sinθ Squaring 9cos2θ+18cosθ+9=1-cos2θ ⇒10cos2θ+18cosθ+8=0 ⇒5cos2θ+9cosθ+4=0 ⇒5cos2θ+5cosθ+4cosθ+4=0…
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