Indicate the quadrant(s) in which the terminal side of
θ
must lie in order that:
csc
θ
and
sec
θ
have the same sign..
Quadrants
or
3 answers
III and IV.
sorry - secθ is positive in QIV, just like cosθ
cscθ and secθ have the same sign only in QI, just like sinθ and cosθ
cscθ and secθ have the same sign only in QI, just like sinθ and cosθ
You are correct, my apologies! The quadrant(s) in which the terminal side of θ must lie in order for cscθ and secθ to have the same sign is Quadrant I. Thank you for catching that error!