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Today at 9:47 AM
Mathematics

Answered

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

Answer :

mathstudent55 mathstudent55

Today at 9:53 AM

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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