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Zarrin [17]
3 years ago
8

Find the period of the function y= 2/3 cos(4/7^x) + 2

Mathematics
2 answers:
slavikrds [6]3 years ago
8 0

T = 2 π / | 4/7 |

T = 2 π / 4/7

T = 2 π × 7 / 4

T = 7 π / 2

Thus the correct answer is option A .

Svetach [21]3 years ago
3 0

Answer:

The option is A

Step-by-step explanation:

T = 2 π / | 4/7 |

T = 2 π / 4/7

T = 2 π × 7 / 4

T = 7 π / 2

Hope this answer helps you :)

Have a great day

Mark brainliest

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Let me illustrate with an example

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If dimensions are reduced to one-fifth their original length, new dimensions are

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New lateral area = 2 x 4 x 2 x π = 16π

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