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02-06-2021
Mathematics

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cos C(sec C - 1) = 1 - cos C

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dabyeet70 dabyeet70

02-06-2021

Answer:

Step-by-step explanation:

Cos(Sec - 1 ) = 1 - cosC

Cos and Sec are reciprocals which when multiplied together is 1

-1 * Cos = -Cos

SO: 1 - Cos = 1 - Cos

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