SOLUTION: if cos theta = -18/17 and theta is in quadrant 3, cos 2theta= ? and tan 2 theta=?
Algebra.Com
Question 1160410: if cos theta = -18/17 and theta is in quadrant 3, cos 2theta= ? and tan 2 theta=?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
if cos theta = -18/17
===========
No real number value for theta.
|-18/17| > 1
RELATED QUESTIONS
If tan theta = 3, theta is in quadrant 3, find cos theta and csc... (answered by lwsshak3)
If tan theta = -12/5 and theta is in quadrant II, Find cos 2theta; and tan... (answered by josmiceli)
If sin theta= 2/3 and theta is in Quadrant I, what is the value of (tan theta)(cos... (answered by stanbon)
Find cos theta/2 exactly if tan theta= -7/12 and theta is in Quadrant... (answered by lwsshak3)
if tan theta=10/7, and if cos theta <0 then,
sec theta=
cos theta=
sin theta=
tan... (answered by Alan3354)
If sin (theta)=3/7, And Theta¸ Is In Quadrant II, Then Find
cos (theta)=
tan... (answered by MathLover1,MathTherapy)
If sin theta= 4/9 and theta is in Quadrant 1, find... (answered by Alan3354)
If cos(theta) = sqrt(2)/-3 and theta has its terminal side in Quadrant 2, find the exact... (answered by stanbon)
If cos theta =5/13, theta in quadrant II, find sin theta and tan theta (answered by ikleyn)