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FIND THE MAXIMUM AND MINIMUM VALUE OF COSEC 2 x + SIN 2 x


FIND THE MAXIMUM AND MINIMUM VALUE OF


COSEC2x + SIN2x


Grade:12th pass

5 Answers

jitender lakhanpal
62 Points
10 years ago

hi abhisek

 

minimum value is 2 we can find that by AM > = G M inequality

 

and max value will be + infinity at x = 0

 

the range of this expression is [ 2 , infinity [

 

 

at x = 90 deg     and  x = 0 deg

 

if u dont agree then pls provide your point of view

ABHISHEK VASHIST
35 Points
10 years ago

how to do AM>= GM inequality 

written solution pls or attach file

jitender lakhanpal
62 Points
10 years ago

hi abhisek

AM>= G.M   is a very important inequality you must know

although i am sending the solution PFA

 

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ABHISHEK VASHIST
35 Points
10 years ago

what will be the maximum and minimum value of  

Sin2x  + cos2x pls elaborate it or attach file

jitender lakhanpal
62 Points
10 years ago

hi abhisek

 

value of sin^2x + cos^2 x = 1

i.e constant so it''s min and max value is 1 only

 

 

 

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