Question

tan 30 - 2cot 90 - cosec60 ? evalute .......​
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Answer 1

Answer:

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Step-by-step explanation:

tan 30°- 2 cot 90°- cosec 60°

= $\frac{1}{\sqrt[]{3} }$ - 2×0 - $\frac{2}{\sqrt[]{3} }$

= $\frac{1}{\sqrt[]{3} }$ - $\frac{2}{\sqrt[]{3} }$

= $\frac{1-2}{\sqrt[]{3} }$

= $\frac{-1}{\sqrt{3} }$