Question

Sin² 30+ cos 45+ Sin 45 x cos30​

Answer 1

Actually this is a invaild form.

Answer 2

Answer:

Sin² 30+ cos 45+ Sin 45 x cos30​

(1/2)² + √2/2 + √2/2 x √3/2

1/4 + 2√2/2 x √3/2

1/4 + 2√6/4

=(1+2√6)/4

Hope it helps<3