(4.5 x 104) = (300) = 0
1 answer:
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We have that
2sin²<span>x - sinx - 3 = 0
</span>
Let
A------> sin x
so
2A²-A-3=0
using a graph tool-----> to resolve the second order equation
see the attached figure
the solutions are
A=-1
A=1.5------> is not solution because sin x <span>can not be 1.5
the solution is
A=-1
therefore
sin x=-1
x=arc sin(-1)=-90</span>°
the answer is
sin x=-1
x=-90° or 270°
2sin²<span>x - sinx - 3 = 0
</span>
Let
A------> sin x
so
2A²-A-3=0
using a graph tool-----> to resolve the second order equation
see the attached figure
the solutions are
A=-1
A=1.5------> is not solution because sin x <span>can not be 1.5
the solution is
A=-1
therefore
sin x=-1
x=arc sin(-1)=-90</span>°
the answer is
sin x=-1
x=-90° or 270°
Answer:
Sum of and
is
Option B is correct answer.
Step-by-step explanation:
We need to find sum of and
Finding sum of and
:
We know that
Replacing x^2-4
Now, taking LCM of (x+2)(x-2) and (x+2) we get (x+2)(x-2)
So, Sum of and
is
Option B is correct answer.