Question

1/2sin²90+1/4cos²60+cot90-3/4sec²30

Answer 1

Answer:

-7/16

Step-by-step explanation:

1/2 sin^2 90 +1/4cos^260 +cot 90-3/4sec^230

=1/2x1 +1/4 x 1/4 +0-3/4 x 4/3

=1/2+1/16 - 1

=8+1-16/16

=-7/16..

Hope it helps..

Please mark it brainliest..

Follow me!