Multiple choice general knowledge

secx=

  1. 1+tanx

  2. 1/tanx

  3. 1/cosx

  4. 1/sinx
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The secant function is defined as sec x = 1/cos x, the reciprocal of cosine. Option D (1/sin x) would be cosecant (csc x), and options A and B are incorrect expressions. This is a fundamental reciprocal identity in trigonometry.