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

User Blejzer
by
7.1k points

1 Answer

1 vote

Answer:

cos60° =
(1)/(2)

Explanation:

Using the cofunction identity

• cos(90 - x)° = sinx°, hence

sin30° = cos(90 - 30)° = cos60° =
(1)/(2)

User Spenser
by
7.3k points
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