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

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Solution

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We need to isolate the dependent variable $x$, we can do that by simultaneously subtracting $1$ from both sides of the equation

Learn how to solve trigonometric equations problems step by step online.

$2\cos\left(x\right)=-1$

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Learn how to solve trigonometric equations problems step by step online. Solve the trigonometric equation 2cos(x)+1=0. We need to isolate the dependent variable x, we can do that by simultaneously subtracting 1 from both sides of the equation. Divide both sides of the equation by 2. This equation has no solutions in the real plane.

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1
2
3
4
5
6
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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