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e-lub [12.9K]
2 years ago
8

Without using a calculatorcos² 43° - sin² 74° + cos² 47 - Sin16°​

Mathematics
1 answer:
Furkat [3]2 years ago
4 0

Answer:

100

Step-by-step explanation:

because if you add it all up you will find the sum

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B

Step-by-step explanation:

the area of a parallelogram is the length of one of the sides multiplied with the length of the height on this side.

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3 years ago
Suppose that the second term of a geometric sequence is 4 and the sixth term is 16. Find the fourth term
Kaylis [27]

Answer:

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Step-by-step explanation:

<h3>Given GP</h3>
  • a₂ = 4,
  • a₆ = 16
<h3>To find</h3>
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<h3>Solution</h3>
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<u>Substitute ar in the second equation</u>

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  • 4r⁴ = 16
  • r⁴ = 4
  • r = √2

<u>Then finding a₄</u>

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2 years ago
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Step-by-step explanation:

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