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Mathematics, 12.03.2021 18:10 yah2muchh
The sine of an angle ϕ in the third quadrant is equal to −8145√ and the cosine of an angle θ in the second quadrant is equal to −710 . Explain how to find the exact value of sin(ϕ−θ) .
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The sine of an angle ϕ in the third quadrant is equal to −8145√ and the cosine of an angle θ in the...
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