Mathematics, 22.07.2019 08:30, daniecott
Which of the following expressions is equal to tan(-20°)? tan(20°) -tan(20°) cot(-20°) cot(20°)
Answers: 1
. We are asked to find the equivalent expression to our given expression.
and it is symmetric with respect to origin. 
and option B i the correct choice.
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Which of the following expressions is equal to tan(-20°)? tan(20°) -tan(20°) cot(-20°) cot(20°)...
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