Answered

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If tan A=3, what is tan (-A)= ?I have down -3, but I am unsure if this is correct.

Sagot :

tan (-A) = -3

Explanation:

One of the trigonometry identity function:

tan(-x) = -tan x

tan (-A) = - tan(A)

tan A = 3

tan (-A) = - tan(A) = - 3

tan (-A) = -3

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