Question

sinx+cosecx=2
sin^8x+cosec^8x=?

Answer 1

A better method than binomial expansion? :/

Answer 2

i got it :)

Answer 3

sinx + 1/sinx = 2

sin^2 x +1 = 2sinx

sin^2x - 2sinx + 1 = 0

Use Quadratic Formula to find the value of sinx

Answer 4

no use of quadratic formula..it is simply
(sinx-1)^2=0
sinx=1 ....)

Answer 5

Any how

Answer 6

:)