RRB NTPC · Question 91
If \(\cos \theta = \dfrac{4}{5}, \sec \theta + \tan \theta = ?\)
Show answer & explanation
Answer: (A) 2
Explanation
cos θ = 4/5 gives a 3–4–5 triangle: sec θ = 5/4 and tan θ = 3/4. Sum = 8/4 = 2.
Railways PYQCBT 2 2017
RRB NTPC · Question 91
Answer: (A) 2
cos θ = 4/5 gives a 3–4–5 triangle: sec θ = 5/4 and tan θ = 3/4. Sum = 8/4 = 2.