Question

C1. (a) In Figure Cla, A, B and C are three stations. B is due north of C. Their distances are: AB = 25 km; AC = 35 km; BC = 48 km (i) Using the cosine formula, find \(\angle ABC\). (ii) Based on your result in (i), determine the compass bearing of B from A.

          C1. (a) In Figure Cla, A, B and C are three stations. B
is due north of C. Their distances are:
AB = 25 km;
AC = 35 km;
BC = 48 km
(i) Using the cosine formula, find \(\angle ABC\).
(ii) Based on your result in (i), determine the compass bearing of B from A.

C1. (a) In Figure Cla, A, B and C are three stations. B
is due north of C. Their distances are:
AB = 25 km;
AC = 35 km;
BC = 48 km
(i) Using the cosine formula, find ∠ ABC.
(ii) Based on your result in (i), determine the compass bearing of B from A.

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Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

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In Figure Cla, A, B, and C are three stations. B is due north of C. Their distances are: AB = 25 km; AC = 35 km; BC = 48 km. Figure Cla N B 25 km A 48 km 35 km C (i) Using the cosine formula, find ABC. (4 marks) Based on your result in (i), determine the compass bearing of B from A. (1 mark)