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16-03-2020
Mathematics

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tan (x) = -8.9. What is cot (90° - x)?

Respuesta :

marcthemathtutor marcthemathtutor

16-03-2020

Answer:

cot(90° - x) = -8.9

Step-by-step explanation:

recall that one of the co-function identities is

tan θ = cot (90° - θ)

if this is the case, then

cot(90° - x) = tan x, which is given as -8.9

hence, cot(90° - x) = -8.9

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