D. If π= 180°
and A=B= π/3prove cos(A-B)is not equal to coseA-cosB...
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Mathematics, 29.04.2021 06:10 kayleetruman
D. If π= 180°
and A=B= π/3prove cos(A-B)is not equal to coseA-cosB
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Answers: 2
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