Choose the best answer: -tan x- cot x=
2 answers:
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:
<em>hope it helps you see the attachment for further information.... </em>
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