mariamemad767 mariamemad767

13-04-2020
Mathematics

contestada

1+tan / sin + cos = sec

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kenlingdad kenlingdad

13-04-2020

Answer:

in steps

Step-by-step explanation:

(1+tan) / (sin + cos) = sec

1+tan = 1 + sin/cos = (sin + cos) / cos

(1+tan) / (sin + cos) = ((sin + cos) / cos) / (sin + cos) = 1 / cos = sec

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