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19-11-2021
Mathematics

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Use the fundamental trigonometric identities to simplify the expression. There is more than one correct form of the answer.
5 csc φ tan φ + 5 sec φ

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s200901067 s200901067

19-11-2021

Answer:

10sec φ

Step-by-step explanation:

5 csc φ tan φ + 5 sec φ

= 5 (1/sin φ) * (sin φ/cos φ) + 5 sec φ

= 5 (1/cos φ) + 5 sec φ

= 5 sec φ + 5 sec φ

= 10 sec φ

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