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Simplify the trigonometric expression $\sin\left(30\right)^2-2\cos\left(30^2\right)$

Step-by-step Solution

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asech
acsch

Final Answer

$0.843713$
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Step-by-step Solution

Problem to solve:

$\sin\left(30\right)^2-2\cos\left(30^2\right)$

Specify the solving method

1

Calculate the power $30^2$

$\sin\left(30\right)^2-2\cos\left(900\right)$

Learn how to solve simplify trigonometric expressions problems step by step online.

$\sin\left(30\right)^2-2\cos\left(900\right)$

Unlock the first 2 steps of this solution!

Learn how to solve simplify trigonometric expressions problems step by step online. Simplify the trigonometric expression sin(30)^2-2cos(30^2). Calculate the power 30^2. The sine of 30 equals -0.988032. Calculate the power {\left(-0.988032\right)}^2. The cosine of 900 equals \frac{21}{317}.

Final Answer

$0.843713$
SnapXam A2
Answer Assistant

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Got another answer? Verify it!

Go!
1
2
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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
Dx
|◻|
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

Useful tips on how to improve your answer:

$\sin\left(30\right)^2-2\cos\left(30^2\right)$

Time to solve it:

~ 0.03 s