Mathematics, 26.07.2019 10:30 beatricedade48

Which statement is false? a. csc 20' = sec 70' b. cos 87' = sin 3' c. csc 40' = sin 50' d. tan 15' = cot 75'

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Which statement is false? a. csc 20' = sec 70' b. cos 87' = sin 3' c. csc 40' = sin 50' d. tan 1...

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