x=nπ-tan-13 is a solution of the equation 12tan2x+10cosx+1=0 for
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
no value of n
b
all integral values of n
c
even integral values of n
d
odd integral values of n
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Given that x=nπ-tan-13 If tanx=-3 and cosx=±110tanx=-3,cosx=-110 satisfy the given equation 12tan2x+10cosx+1=0 x lies in second quadrant ⇒ n must be an odd integer