5. Given triangle ABC with y= 90°, a=16° 48' and c=21, express the value of a in terms of the angle B. (a) 21 csc 73°12' (b) 21cos73°12' (c) 21 sec 73° 12' (d) 21 sin 73°12

Q: w + 4 w + 10 6. 8.

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A:

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A:

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A: