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TS EAMCET · Maths · Trigonometric Ratios & Identities

\(\tan A=\frac{-60}{11}\) and \(A\) does not lie in the 4th quadrant. \(\sec B=\frac{41}{9}\) and \(B\) does not lie in the 1st quadrant. If \(\operatorname{cosec} A+\cot B=K\), then \(24 K=\)

  1. A 11
  2. B 19
  3. C 40
  4. D 61
Verified Solution

Answer & Solution

Correct Answer

(B) 19

Step-by-step Solution

Detailed explanation

\(\tan A=\frac{-60}{11}, A\) lies in \(2^{\text {nd }}\) quadrant \((\tan A\) is - ve \()\), does not lie in \(4^{\text {th }}\) quadrant. \(\therefore \operatorname{cosec} A=+\frac{61}{60}[A\) lies in 2nd quadrant, \(\operatorname{cosec} A\) is +ve\(]\)…