Correct Answer: Option A

Explanation

In order to do this, simply find the option in the range where only the cos is +ve. This occurs in the range \(270° \leq x \leq 360°\).

Check: \(\sin 300 = - \sin 60 = \frac{-\sqrt{3}}{2}\)

\(\cos 300 = \cos 60 = \frac{1}{2}\)

• If the power of a lens is +2.5D. Calculate the radius of curvature (a). 80cm (b). 40cm (c). 25cm (d).... Answer this

  1 Answers   ·   Physics   ·   4 days ago
• Subjects to learn under petroleum engineering? Answer this

  1 Answers   ·   4 days ago
• what is the cut of mark for medical doctor in university and list all the university? Answer this

  1 Answers   ·   2 days ago