Asked by AwesomeGuy
State the quadrant in which θ lies.
1.) CSC θ is greater than 0 and TAN θ is
less than 0.
2.) SEC θ is greater than 0 and SIN θ is
less than 0.
1.) CSC θ is greater than 0 and TAN θ is
less than 0.
2.) SEC θ is greater than 0 and SIN θ is
less than 0.
Answers
Answered by
Reiny
if cscØ > 0 , then sinØ > 0
the sine is + in I and II , by the CAST rule
the tangent is - in II and IV , by the CAST rule
so Ø in in II
so the 2nd question the same way. ( IV )
the sine is + in I and II , by the CAST rule
the tangent is - in II and IV , by the CAST rule
so Ø in in II
so the 2nd question the same way. ( IV )
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