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nignag [31]
3 years ago
9

In the triangle above, the cosine of a is 0.8.What is sine of b?

Mathematics
1 answer:
Natalka [10]3 years ago
5 0

Answer:

sin b = 0.8

Step-by-step explanation:

Since a and b are complementary angles , then

sin b = cos a = 0.8

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