Mathematics, 14.11.2019 01:31, skylar7192

Tan x = sin x / cos x , therefore tan (90-a) = ? . (all angle measurements are in degrees)
choices are below:
a. 1/tan(90-a)
b. 1/sin a
c. 1/cos(90-a)
d. 1/tan a

Answers: 2

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Tan x = sin x / cos x , therefore tan (90-a) = ? . (all angle measurements are in degrees)
ch...