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Solve the trigonometric equation $2\cos\left(x\right)+1=0$

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Solution

Videos

How to Use the Double Angle Formula to Solve for the Values of X

https://www.youtube.com/watch?v=oIvT_dYxVp8

Pre-Calculus - How to solve a trigonometric equation by factoring sec^2(x) -secx=2

https://www.youtube.com/watch?v=JioF8Vm_M60

Pre-Calculus - Solving a trigonometric equation with our angle divided by 4, 2sin(x/4)+sqrt(3) =0

https://www.youtube.com/watch?v=CijimYb5MTM

Algebra 2 - Learn to solve a rational equation by multiplying by the LCD (15/x)+((9x-7)/(x+2))=9

https://www.youtube.com/watch?v=BMSmvkWcVTU

Algebra 2 - Solving a factored quadratic equation using the zero product property, -x(3x + 5) = 0

https://www.youtube.com/watch?v=3on6rsKoK_k

Tutorial - Solving logarithmic equations ex 14, log(7x+1)=log(x-2)-1

https://www.youtube.com/watch?v=v7Zsmb17CUc

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5
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7
8
9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
◻2
◻◻
√◻
√

◻√◻
◻√
∞
e
π
ln
log
log◻
lim
d/dx
D□x
∫
∫◻
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

How to improve your answer:

Similar Problems Solved

$2\cos^2x-1=0$

$2\sin^2x-1=0$

$2cos^2x-1=0$

$2\sin\left(x\right)-1=0$

$2\sin\left(x\right)=\sqrt{3}$

$2\sin\left(x\right)+\sqrt{3}=0$

$\tan\left(x\right)+\sqrt{3}=0$

Main Topic: Trigonometric Equations

A trigonometric equation is an equation in which one or more trigonometric ratios appear.

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