Question 2 Find the principal and general solutions of the equation sec x =2
Class X1 - Maths -Trigonometric Functions Page 78
Answers
Answered by
10
sec x=sec60
therefore x=60 degree ans.
because sec 60= 2
therefore x=60 degree ans.
because sec 60= 2
Answered by
30
secx = 2
First of all we convert in cosx
We know,
secx = 1/cosx
1/cosx = 2
cosx = 1/2
cosx = cos(π/3)
we know,
cos∅ = cosA
∅ = 2nπ ± A
Then,
cosx = cos(π/3)
x = 2nπ ± (π/3)
Similar questions