Question

evaluate 2 tan² 45⁰ + cos² 30⁰ - sin²60⁰ evaluate​

Answer 1

$2 tan² 45⁰ + cos² 30⁰ - sin²60⁰$

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

$= 2 + \frac{3}{4} - \frac{3}{4}$

$= 2$

HOPE THAT HELPS!!