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3 years ago

(3x + y = 5(3x +y = 8

Mathematics

1 answer:

Gnesinka [82]3 years ago

8 0

Answer:

no solution

Step-by-step explanation:

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Simplifying

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Solving

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Solving for variable 'Y'.

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Simplifying

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Find the exact value of the expression. Sin 265 cos 25 - cos 265 sin 25

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Answer:

$\sin(265\degree) \cos(25\degree)-\sin(265\degree) \cos(25\degree)=-\frac{\sqrt{3}}{2}$

Step-by-step explanation:

Recall that;

$\sin(A) \cos(B)-\sin(B) \cos(A)=\sin(A-B)$

This implies that;

$\sin(265\degree) \cos(25\degree)-\sin(265\degree) \cos(25\degree)=\sin(265\degree-25\degree)$

$\sin(265\degree) \cos(25\degree)-\sin(265\degree) \cos(25\degree)=\sin(240\degree)$

$\sin(265\degree) \cos(25\degree)-\sin(265\degree) \cos(25\degree)=\sin(180\degree+60\degree)$

$\sin(265\degree) \cos(25\degree)-\sin(265\degree) \cos(25\degree)=-\sin(60\degree)$

$\sin(265\degree) \cos(25\degree)-\sin(265\degree) \cos(25\degree)=-\frac{\sqrt{3}}{2}$

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Step-by-step explanation:

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3 years ago

(3x + y = 5(3x +y = 8​

(3x + y = 5(3x +y = 8