SOLUTION: find the least value of:- {{{4 sec^2(x) + 9 cosec^2(x)}}}

Question 627346: find the least value of:-
Answer by psbhowmick(878) (Show Source): You can put this solution on YOUR website!

=

The minimum value of the expression will be obtained when the square term will be zero.
To satisfy that . Thus, the expression reduces to

This will be minimum when will be minimum which is 1.
Hence, the minimum value of the given expression is 8.
RELATED QUESTIONS
what is the minimum value of... (answered by Alan3354,ikleyn,robertb)

Find the exact value of cosec^2 225 =... (answered by Alan3354)

Show that the equation sec x + sqrt3 cosec x = 4 can be written in the form sin x +... (answered by jsmallt9)

What is the minimum value of 4 sec^2 theta + 9 cosec^2 theta ? we know the minim value (answered by Alan3354)

if sec x + cos x =5/2 then find the value of sec x - cos x (answered by Alan3354)

if 7 sin square A + 3 cos square A=4 , find the value of sec A + cosec... (answered by lwsshak3)

if cos thetha equals -3/5 with pi less than thetha less than 3pi/2 find the value of... (answered by Alan3354)

If sec x= 3/2 and cosec y= 3; determine cos (x+y) (answered by Alan3354,Theo,ikleyn)

If sin theta = sort(3)/2. Find the value of cosec theta + cot theta (answered by Alan3354)