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cos⁴ x - sin⁴ x simplifies to | StemPy Lab
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cos⁴ x - sin⁴ x simplifies to
Mathematics
Medium
High School (11–12)
Trigonometry › Compound and Multiple Angles
A-Level
AP
IB
JEE Main
Created by
StemPy Lab
cos
4
x
−
sin
4
x
\cos^4 x - \sin^4 x
cos
4
x
−
sin
4
x
simplifies to
cos
2
x
\cos 2x
cos
2
x
1
1
1
cos
2
2
x
\cos^2 2x
cos
2
2
x
sin
2
x
\sin 2x
sin
2
x
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