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Trigonometry
Value Computation
MMTS_Full_Test_13
Grade 12

Question:

$\cos 1°\cos 2°\cos 3°\cdots\cos 179°=$
$1$
$0$
$-1$
$\dfrac{1}{2}$

Step-by-Step Solution

Key Concept: $\cos 90°=0$ is one of the factors
Product $=0$.
Correct Answer: 3

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