7. Consider this right triangle. Determine whether each expression can be used to find the length of side AB A 6 sin(B) 6 cos(A) 8tan(A) 8tan(B) CO COSA= Yes No tanf Bon 20000 Chand ton B

Q: B. 90 A C. 4 3.

A:

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Q: 77. From the figure, show that sin(45° – a) = sin95°. A 40° 12 8 45° D C B

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Q: 52 48

A: The solution is: