If #sinx=-4/5# and #tanx>0#, what are the values of the remaining trig functions?

1 Answer
Nghi N.
Sep 12, 2016

Find values of trig functions

Explanation:

Consider right triangle with sides 3, 4 and hypotenuse 5
If #sin x = - 4/5#, then, #cos x = -3/5# --> since (tan x > 0)
#tan x = (sin)/(cos) = 4/3#
#cot x = 3/4#
#sec x = -5/3#
#csc x = - 5/4#

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