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IgorLugansk [536]
4 years ago
15

Verify the identity algebraically. 7 sec(y) cos(y) = 7

Mathematics
1 answer:
Temka [501]4 years ago
7 0

Answer:

7 sec(y) cos(y) = 7

Use identity sec(y) = 1/cos(y).

7 * 1/cos(y) * cos(y) = 7

7 * 1 = 7

7 = 7

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