\3 // Problem 15. Solve the triangle ABC, if b = 121, c = 160, ZB = 40°. Assume 44 is opposite to side a, LB is opposite to side b, and ZC is opposite to side c.

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Q: +ナノスマー ) rapezoi

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Q: 8. If f is bounded on [a, b] but L(f) ‡ U(f), then f is not Riemann integrable on [a, b].

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