Q. If sin θ = 3/5, then cosec θ + cos θ = ?
β
Correct Answer: (A)
11/3
Explanation: cosec θ = 5/3 and cos θ = 4/5. Sum = 25/15 + 12/15 = 37/15 = 11/3 is incorrect arithmetic? Wait: 5/3 + 4/5 = 25/15 + 12/15 = 37/15. Hence the intended answer should be 37/15.
Explanation by: Roshan
cosec θ = 5/3 and cos θ = 4/5. Sum = 25/15 + 12/15 = 37/15 = 11/3 is incorrect arithmetic? Wait: 5/3 + 4/5 = 25/15 + 12/15 = 37/15. Hence the intended answer should be 37/15.