Discuss with Askiitians Tutors> (1)number of critical points of f(x)=max{...

(1)number of critical points of f(x)=max{sinx,cosx},for all x belongs to(-2pie,2pie)
options are 5,6,7,8.

(2) let f(x)=sinx/x,where 0
(a)sin^2xxsin(sinx) , (c)sin^2x>1+xsin(sinx) , (d)none of these

vineet chatterjee , 10 Years ago

Grade 12

4 Answers

Ravi

Last Activity: 10 Years ago

Plot the 2 functions, that is Sin x and Cos x on the same graph. Highlight the maximum of the two. and count the number of times it reaches its maximum value.
............................................................................................................................................

vineet chatterjee

Last Activity: 10 Years ago

i have done exactly the same and i am gettig the answer as 5.

please check once and tell me your answer and how did you get that,i need solution

vineet chatterjee

Last Activity: 10 Years ago

i am telling this because i dont have the answers with me,so please tell me your answer and if it is not matching with my answer(my answer is 5),then tell me the approach

Ravi

Last Activity: 10 Years ago

Yes you have the right answer 5.
I have done it the same way as mentioned in my answer before.
..................................................................................................................................................................................................................................................................................