Find the exact value of sec(-pi/3).
sec x = 1 / cos xcos (- π / 3 ) = 1/21/ cos (-π/3 ) = 1 / 1/2 = 1 : 1/2 = 2
Answer:
-2
Step-by-step explanation:
just checking if it is negative. The expert said 2, but I thought it would be negative. Can someone explain why it isn't negative?