Question

7 sin square 45 degrees + cosec square 60 degrees minus tan square 30 degrees​

Answer 1

Answer:

Put the values

Step-by-step explanation:

$7. { \frac{1}{ \sqrt{2} } }^{2} + {\frac{2}{ \sqrt{3} } }^{2} - {\frac{1}{ \sqrt{3} } }^{2} = \frac{7}{4} + \frac{4}{3} - \frac{1}{3} = \frac{11}{4}$