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Summersnow8
 3 years ago
Use fundamental identities to find exact values of the remaining trig functions given that sec x=11/9 , tan x < 0?
Summersnow8
 3 years ago
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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AravindG
 3 years ago
Best ResponseYou've already chosen the best response.1sec x=11/9 so both sec x and cos x are positive

AravindG
 3 years ago
Best ResponseYou've already chosen the best response.1tan x<0 means sin x<0 from above observation

AravindG
 3 years ago
Best ResponseYou've already chosen the best response.1Hence the angle lies in 4th quadrant

AravindG
 3 years ago
Best ResponseYou've already chosen the best response.1Now just use the right triangle and find all other trigonometric ratios. Don't forget to put correct sign according to 4th quadrant.

Summersnow8
 3 years ago
Best ResponseYou've already chosen the best response.0I tired doing that, but it wasn't correct. I found cosine x = 9/11, but the others I cant find
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