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Vladimir [108]
3 years ago
10

Write the following ratio using two other notations. 8/9

Mathematics
1 answer:
belka [17]3 years ago
4 0

Answer: 8 to 9 or .8888888888888888889

Step-by-step explanation:

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Use the Line Tool to graph the equation. 2x−7y=14
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Please someone help me. It's about proving related to transformation of trigonometric ratios. Thank you!!​
kvasek [131]

Answer:

see explanation

Step-by-step explanation:

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cos x - cos y = - 2sin(\frac{x+y}{2} )sin(\frac{x-y}{2} ) = 2sin(\frac{x+y}{2} )sin(\frac{y-x}{2} )

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Note that

sin10° = sin(90 - 10)° = cos80°

Thus

\frac{2sin(\frac{10+80}{2})sin(\frac{80-10}{2})  }{2cos(\frac{10+80}{2})cos(\frac{80-10}{2})  } ← cancel 2 from numerator/ denominator

= \frac{sin45}{cos45} × \frac{sin35}{cos35}

= tan45° × tan35° { tan45° = 1 ]

= 1 × tan35°

= tan35° ← as required

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3 years ago
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The two functions below are used to represent the height of a rocket above the ground after it is launched. which rocket reaches
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Step-by-step explanation:

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