Question

simplyfy sinA . cos A - sin A. cos A​

Answer 1

Answer:

The answer will be 0

Step-by-step explanation:

This is because same terms are being subtracted

Answer 2

Answer:

0

Step-by-step explanation:

let

sinA . cosA = k

Then,

sinA .cosA - sinA.cosA

= k-k

=1