Question

how can i prove(1-cosx)/(sinx) =tan(x/2)?

Answer 1

i always start by turning everyting into sin and cos parts, then find an identity that will get me on my way

Answer 2

if u remember
cos2x = 2cox^2x-1

Answer 3

and sin2x=2*sinx*cosx

Answer 4

but here angle is just x not 2x

Answer 5

sinx =2*sin(x/2)*cos(x/2)

Answer 6

cosx=2cos^2(x/2)-1

Answer 7

so put these values of sinx and cosx in ur Q and u will get it