3 years ago

In △ABC, ∠C is a right angle and sinB=725.

Mathematics

1 answer:

scoundrel [369]3 years ago

8 0

9514 1404 393

Answer:

A 7/25

Step-by-step explanation:

The cosine of an angle is equal to the sine of its complement. In a right triangle, angle A is the complement of angle B. So, ...

cos(A) = sin(B)

cos(A) = 7/25

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