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Mathematics, 12.03.2020 21:58 ameliaxbowen7

Which of the following is an identity?

sinBsecBcotB = 1
sinBsecBcotB = cotB
sinBsecBcotB = sin²B/cos²B

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Which of the following is an identity?

sinBsecBcotB = 1
sinBsecBcotB = cotB
...
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