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9966 [12]
3 years ago
7

NEED HELP ON MATH ASAP

Mathematics
1 answer:
RSB [31]3 years ago
7 0
I think it’s A but I’m not sure
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Help me please the picture below has the question and the answers
andrezito [222]

Answer:

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try mo magsagot

6 0
2 years ago
Cos (90-theta) • cosec90-theta) =tano. How?​
denis-greek [22]

Answer:

<u>______________________________________________________</u>

<u>TRIGONOMETRY IDENTITIES TO BE USED IN THE QUESTION :-</u>

For any right angled triangle with one angle α ,

  • \cos (90 - \alpha  ) = \sin \alpha  or  \sin(90 - \alpha ) = \cos\alpha
  • cosec \: (90 - \alpha  ) = \sec\alpha   or  \sec(90 - \alpha ) = cosec\:\alpha

<u>SOME GENERAL TRIGNOMETRIC FORMULAS :-</u>

  • <u></u>\sin \alpha = \frac{1}{cosec \: \alpha }  or  cosec \: \alpha  = \frac{1}{\sin \alpha }
  • <u></u>\cos \alpha = \frac{1}{\sec \alpha }  or  \sec \alpha = \frac{1}{\cos \alpha }

<u>______________________________________________________</u>

Now , lets come to the question.

In a right angled triangle , let one angle be α (in place of theta) .

So , lets solve L.H.S.

\cos (90 - \alpha ) \times cosec(90 - \alpha )

=> sin\alpha  \times \sec\alpha

=> \sin\alpha  \times \frac{1}{\cos\alpha }

=> \frac{\sin\alpha }{\cos\alpha }

=> \tan\alpha = R.H.S.

∴ L.H.S. = R.H.S. (Proved)

3 0
3 years ago
There are 2.54 centimeters in 1 inch. There are 100 centimeters in 1 meter. To the nearest inch, how many inches are in 12 meter
Alexandra [31]

Answer:

12 meters = 472.441 inches

~Hope this helps~

8 0
3 years ago
Craig measured a length as 0.034 millimeters. What is the margin of error?
Salsk061 [2.6K]

Answer:

0.0335mm to 0.0345mm

Step-by-step explanation:

7 0
3 years ago
Sophia scored 92% in a math test. If the test had 50 questions, how many did she get right? *
zloy xaker [14]

Answer:

46 questions correct

Step-by-step explanation:

  • 100% = 50 questions
  • 2% = 1 question
  • 92% = 46 questions
6 0
3 years ago
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