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[(-1+cot 23^(circ))(-1+cot 22^(circ))(-1...

`[(-1+cot 23^(circ))(-1+cot 22^(circ))(-1+cot 29^(circ)) .(-1+cot .16^(circ) ]` is equal to

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CENGAGE-TRIGNOMETRIC RATIOS IDENTITIES AND TRIGNOMETRIC EQUATIONS-Question Bank
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