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devlian [24]
2 years ago
6

Question 16 of 25

Mathematics
2 answers:
andrew-mc [135]2 years ago
8 0

Answer:

\textsf {D}

Step-by-step explanation:

\textsf {The Law of Sines states that the ratio of sine of an angle} \\\textsf{to the length of the opposite side is the same for all parts of the triangle.}

\textsf {Hence, the derived formula is :}

\implies \mathsf {\frac{sinA}{a} = \frac{sinB}{b} }

\textsf {* a = opposite side of angle A}\\\textsf {* b = opposite side of angle B}

Reil [10]2 years ago
4 0

Answer:

Option D

Step-by-step explanation:

The formula of sine is

  • sinA=Opposite/Hypotenuse

So it's same thorughout out the triangle for the same angle.

Sin is commonly used as Perpendicular/Height divided by Hypotenuse

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iris [78.8K]

Answer:

30

Step-by-step explanation:

To find the determinant of a 3x3 matrix, you can use this method. (See picture.)

Start with the first number in the top row, and block off the row and column.  A 2x2 matrix will be left.  Find the determinant of this 2x2 matrix, and multiply it by the number in the top row.

Repeat for the other two numbers in the top row.  Add the first result, subtract the second, and add the third.

det A = -2 [(3)(-5) − (a)(0)] − 2 [(0)(-5) − (a)(0)] + b [(0)(0) − (3)(0)]

det A = -2 (3)(-5) − 0 + 0

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Answer :19

19\

Step-by-step explanation:

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CaHeK987 [17]
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mina [271]

Answer:

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Step-by-step explanation:

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