SOLUTION: If tanx=-2/3 and angle x is in second quadrant, what is the value of cosx?
Algebra.Com
Question 1155092: If tanx=-2/3 and angle x is in second quadrant, what is the value of cosx?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If tan(t)=-2/3 and angle x is in second quadrant, what is the value of cos(t)?
-------
tan = y/x --> y = 2, x = -3 in Q2.
Find r
r = sqrt(x^2 + y^2)
----
Then cos = x/r
RELATED QUESTIONS
Given that tanx=-1/2 and x is in the fourth quadrant, what is the exact value of... (answered by stanbon,Alan3354,srinivas.g)
If tans x=-2/3 and angle x lies in the second quadrant, what is the value of... (answered by mananth)
indicate the quadrant in which terminal side of angle x lie in order that
tanx is... (answered by lwsshak3)
tanx=2/3 and sinx<0 what is the exact value of... (answered by lwsshak3)
In this problem x means theta
If tanx= -2/3. And x is in the second quadrant, use a... (answered by lwsshak3)
If x is in quadrant I and sinx-cosx=1/3, then the value of sinx+cosx is…
A)4/3... (answered by math_tutor2020)
find the exact value of sin2x given cosx=-12/13 and x is in quadrant... (answered by lwsshak3)
For all definable values of sinx, cosx, and tanx, what is the value of... (answered by Alan3354,Edwin McCravy)
find the exact value of sin2x, and tan2x given cosx=2/3 and x is in quadrant... (answered by Alan3354)