Advertisements
Advertisements
Question
Find the principal value of `"cosec"^-1 (- sqrt(2))`
Sum
Advertisements
Solution
`"cosec"^-1 (- sqrt(2))` = θ
cosec θ = `- sqrt(2)`
= `- "cosec" (- pi/4)`
θ = `- pi/4`
shaalaa.com
Is there an error in this question or solution?
Chapter 4: Inverse Trigonometric Functions - Exercise 4.4 [Page 154]
