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Revision topic 3 Trigonometry and trigonometric functions Flashcards | StudBud
Revision topic 3 Trigonometry and trigonometric functions
1 / 12
Which expression is
not
identical to cos(2x)?
A
2cos
2
(x) - 1
B
cos
2
x - sin
2
x
C
1 - 2sin
2
(x)
D
sin
2
x - cos
2
x
Next
0
0
correct · 0:00
