SOLUTION: Let θ be an angle in quadrant II such that secθ=-(13)/(12)
Find the exact values of cotθ and sinθ...
Algebra ->
Trigonometry-basics
-> SOLUTION: Let θ be an angle in quadrant II such that secθ=-(13)/(12)
Find the exact values of cotθ and sinθ...
Log On
Question 586488: Let θ be an angle in quadrant II such that secθ=-(13)/(12)
Find the exact values of cotθ and sinθ... Found 2 solutions by stanbon, solver91311:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Let θ be an angle in quadrant II such that secθ=-(13)/(12)
Find the exact values of cotθ and sinθ...
----
In QII x is negative and y is positive.
-------------------
sec(theta) = r/x = -13/12 implies that r = 13 and x = -12
---
Then y^2 = 13^2-12^2 = 169-144 = 25
---
y = +5
---
sin = y/r = 5/13
cos = x/r = -12/13
tan = y/x = -5/12
-----
csc = r/y = 13/5
sec = -13/12
cot = -12/5
===============
Cheers,
Stan H.
===============