Trigonometryeasy · Past Paper
What is the value of (cos 45)^2?
A1
B1/2
C1/sqrt(2)
D2
✓ Correct Answer: B — 1/2
cos 45 = 1/sqrt(2). Squaring it gives 1/2.
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✓ Correct Answer: B — 1/2
cos 45 = 1/sqrt(2). Squaring it gives 1/2.
Share this question