Question

4 sin^2 60+3tan^2 30 - 8sin 45cos 45​

Answer 1

Answer:

4sin²60°+3tan²30°-8sin45°.cos45°

=4(√3/2)²+3(1/√3)²-8×1/√2×1/√2

=4×3/4+3×1/3-8×1/2

=3+1-4

=4-4

=0