Question

sin square 60 + cos square 60 - cot square 60​

Answer 1

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${\sin}^{2}60 \: + { \cos}^{2}60 \: - { \cot}^{2}60$

>>(sin²60+cos²60) - cot²60

>>1-cot²60

$>>1^{2} - {(\frac{1}{ \sqrt{3} }) }^{2}$

$>>1 - \frac{1}{3}$

$>> \frac{3 - 1}{3}$

$>> \frac{2}{3}$