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OpenStudy (summersnow8):
Use fundamental identities to find exact values of the remaining trig functions given that sec x=11/9 , tan x < 0?
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OpenStudy (aravindg):
sec x=11/9 so both sec x and cos x are positive
OpenStudy (aravindg):
tan x<0 means sin x<0 from above observation
OpenStudy (aravindg):
Hence the angle lies in 4th quadrant
OpenStudy (aravindg):
Now just use the right triangle and find all other trigonometric ratios. Don't forget to put correct sign according to 4th quadrant.
OpenStudy (summersnow8):
I tired doing that, but it wasn't correct. I found cosine x = 9/11, but the others I cant find
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OpenStudy (aravindg):
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