If sec -5π/4 = x, then the value of x is
Expression : sec -5π/4 = x
$$\because sec(-x) = sec(x)$$
= $$sec(\frac{-5\pi}{4}) = sec(\frac{5 \pi}{4})$$
= $$sec(\pi + \frac{\pi}{4}) = -sec(\frac{\pi}{4})$$
= $$-\sqrt{2}$$
=> Ans - (B)
Create a FREE account and get:
Detailed syllabus & Topic-wise Weightage
By proceeding you agree to create your account
Free CAT Syllabus PDF will be sent to your email address soon !!!
