Question

sin(180°- A) cos(270°- A) by
sin(180° + A) cos(270° + A)
is equal to
(a) 1
(c) tan A
(b)-1
(d) cot A​

Answer 1

Answer is
1
Please mark as a brainliest answer

Answer 2

Your answer is option (a)- 1

Hope this helps you

Thanks