Mathematics, 10.02.2020 22:46 helplessstudent3

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 sinBsecBcotB = sin²B/cos...

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