Question

find the value of sec²30-Tan²30 ?​

Answer 1

answer of this question is 1/3

Answer 2

$\huge\tt\colorbox{gold}{\color{indigo}{Answer}}$

$= {sec}^{2} 30 - {tan}^{2} 30$

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

$= \frac{4}{3} - \frac{1}{3}$

$= \frac{4 - 1}{3}$

$= \frac{3}{3}$

${ = }\bold\color{indigo}{~1}$