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uranmaximum [27]
3 years ago
13

Given that sin 60° ≈ 0.866, write the cosine of a complementary angle

Mathematics
2 answers:
Ahat [919]3 years ago
8 0

Answer:

0.866.

Step-by-step explanation:

We use the identity

sin x = cos (90-x)

So the cosine of the complementary angle is also 0.866.

MrRa [10]3 years ago
4 0

Answer:

Step-by-step explanation:

Complement to 60° = 30°

cos(30°) = sin(60°) = 0.866

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