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Georgia [21]
3 years ago
7

If the son 30= 1/2 then the cos 60 = ____

Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0

Answer:

cos60° = \frac{1}{2}

Step-by-step explanation:

Using the cofunction identity

• cos(90 - x)° = sinx°, hence

sin30° = cos(90 - 30)° = cos60° = \frac{1}{2}

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<span>Multiply cross
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