Question

Choose the best answer: -tan x- cot x=

Answer 1

Answer:

-sec x csc x

Step-by-step explanation:

-tan x- cot x= -((sin x/cos x) + cos x/ sin x))

                   = - ((sin² x + cos² x) / sin x cos x)

                   = - ( 1 / sin x cos x)

                   = - sec x csc x

Answer 2

Answer:

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