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Mathematics, 18.10.2019 08:30 valejuan

Complete the identity. cos (alpha - beta)/cos alpha cos beta = ?
a. 1 + cot α cot β
b. tan α tan β + cot β
c. 1 + tan α tan β
d. 1 + cot α tan β

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Complete the identity. cos (alpha - beta)/cos alpha cos beta = ?
a. 1 + cot α cot β
b....
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