Guest

find the smallest positive numbers x such that cos x=-1/2

find the smallest positive numbers x such that cos x=-1/2

Grade:12th pass

1 Answers

Preetham Reddy
45 Points
6 years ago
The smallest positive value for which cos is negative is in the second quadrant so in the second quadrant the smallest value is 129 degrees or 2π/3

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free