How do you solve this linear equality?

Mathematics

1 answer:

timama [110]3 years ago

8 0

Answer:

make them into the same fraction problem solve

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Find all solutions in the interval [0, 2π). 7 tan3x - 21 tan x = 0

mihalych1998 [28]

To solve the trigonometric expression we proceed as follows;
7(tan x)^3-21tanx=0
this can be written as:
7(tan x)^3=21tanx
dividing through by 7 we get:
(tan x)^3=tan x
dividing through by tan x we get:
(tanx)^1=1
hence;
tan x=+\-1
when tan x=1
x=45
when tan x=-1
x=-45
Given that our answer should be at the interval [0,2π] the answer:
45=45/180=1/4π

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p(yellow marble)=1/4
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HURRY 98 POINT!!!! Simplify (23)–2 A. -1/64 B. 1/64 C. 2 D. 64

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as a decimal it would be 11.5

and as a fraction it would be 23/2

so none of those answers?