Simplify: sin(a) + cos(a)cot(a) - csc(a)
(A) 0
(B) 2sec(a)
(C) 1
(D) tan(a)
(E) 2tan(a)

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step-by-step explanation:

b

step-by-step explanation:

answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation:

where does the z at is it on the x axes or on the y axes any way if it is on the y axes put it horizontally and if it is on the x axes put it vertically