arif7hs
Username:
arif7hs
Gender:
Male
Member since:
June 23, 2012
I am a:
Student
Grade:
College - Senior
Best Subjects:
Chemistry
Interests:
science inventions and human body
Biography
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New Activity for arif7hs
Answered a Question in Math
Q. xy(x-y)^2 ans: =xy ( x^2 - 2xy + y^2 ) [ we know that, (x-y)^2 = x^2 -...
Answered a Question in Math
Answered a Question in Math
we know that tanx = sinx/cosx and cotx = cosx/sinx left hand side = tanx + cotx...
Asked a Question in Math
If `sin^2x + cos^2x = 1` , how to prove the identity `tanx + cotx = cosecx + secx`...
Earned a Badge
