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AVprozaik [17]
3 years ago
12

PLZ HELP URGENT!!!! the statement "cot theta= 12/15, sec theta= -13/5 and the terminal point determined by theta is in quadrant

4":
A. cannot be true because sec(theta) is greater than zero in quadrant 4

B. cannot be true because if cot(theta)= -12/5, then sec(theta)= +/- 13/12.

C. cannot be true because cot(theta) must be less than 1.

D. cannot be true because 12^2+5^2 does not = 1.
Mathematics
1 answer:
Reptile [31]3 years ago
6 0
We know that
in the IV quadrant
cos theta is positive
and 
sin theta is negative
so
cot theta=cos theta/sin theta--------> cot theta must be negative
sec theta=1/cos theta------> sec theta must be positive

therefore

the answer is the option
<span>A. cannot be true because sec(theta) is greater than zero in quadrant 4</span>
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