Really, that is inappropriate.
I am sorry Collins that I can't help you with this question. I am currently in Pre-Calc so I haven't learned this topic in great detail yet.
find the number of root the equation given below in interval (-pi.pi)
(cosx)^7+(sinx)^4=1
2 answers
This is a challenge analytically, but using the graph it is easy:
http://www.wolframalpha.com/input/?i=%28cosx%29^7%2B%28sinx%29^4%3D1
Coming up with the solutions -π/2, 0, π/2 is easy, but showing there are no others is tough.
http://www.wolframalpha.com/input/?i=%28cosx%29^7%2B%28sinx%29^4%3D1
Coming up with the solutions -π/2, 0, π/2 is easy, but showing there are no others is tough.
0 answers