dre4232
05.02.2020 •
Mathematics
Solve on the interval : [0,2pi]
4 csc x +6=-2
a. 7pi/6 , 11pi/6
b. pi/6 , 5pi/6
c. pi/3 , 5pi/3
d. 2pi/3 , 4pi/3
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Ответ:
Ответ:
A. x = 0, x = -3, x = 2, and x = -2
Step-by-step explanation:
by moving the terms on the left side to the right side
factor an from
and factor - 4 from
the equation becomes :
= 0
take as a common factor the equation becomes :
= 0
thus
⇒
and
by factoring an x we get :
⇒ = 0 and
⇒ and
Thus
the values are :
x = 0, x = -3, x = 2, and x = -2