how to calculate If cosx= -1/2 for 90degrees<x<180degrees,

calculate cosx/sinx

1 answer

The answer is -2.

Similar Questions

If cosx= -1/2 for 90degrees<x<180degrees,calculate cosx/sinx
1. 1 answer
Simplify #3:[cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [cosx-(sin90cosx-cos90sinx)sinx]/[cosx-(cos180cosx+sinx180sinx)tanx] =
1. 1 answer
hey, i would really appreciate some help solving for x when:sin2x=cosx Use the identity sin 2A = 2sinAcosA so: sin 2x = cos x
1. 0 answers
I have a question relating to limits that I solvedlim(x-->0) (1-cosx)/2x^2 I multiplied the numerator and denominator by
1. 1 answer