12. Evaluate :
3 sin 3A + 2 cos (2A + 5°)
2 cos 3A - sin (2A -10°)
when A = 20°....
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Mathematics, 15.10.2020 04:01 khaylaperry
12. Evaluate :
3 sin 3A + 2 cos (2A + 5°)
2 cos 3A - sin (2A -10°)
when A = 20°.
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Answers: 1
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