Question
If the cosine and tangent are both negative, the angle must be in quadrant -_____.
IV
I
II
III
IV
I
II
III
Answers
mathhelper
Make a serious effort to look up and memorize the CAST rule
It says that the cosine is positive in quads I and IV, so it must
be negative in II and III
It says that the tangent is positive in I and III, so it must
be negative in II and IV
what quadrant is the common negative ratio?
It says that the cosine is positive in quads I and IV, so it must
be negative in II and III
It says that the tangent is positive in I and III, so it must
be negative in II and IV
what quadrant is the common negative ratio?