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tekilochka [14]
3 years ago
12

In △ABC, angle C is a right angle and BC > AC. Select all the statements that are true.

Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0

△ABC  right angle C, leg BC > leg AC.  So angle A > angle B.

a=BC, b=AC, c=AB

a > b

sin A= cos B = a/c

sin B = cos A = b/c

a = c sin A = c cos B

b = c sin B = c cos A

a > b

c sin A > c sin B

sin A > sin B

c cos B > c cos A

cos B > cos A

Answer:  B, E

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