Question

Cos (270-0) + Sin ( 180 - 0) =
a) 1
b) 2
c)-1
d) zero​

Answer 1

Answer:

cos ( 270 - 0) =sin 0

Sin(180-0) = sin0

so sin0 = zero

hence 0+0 =0

so option d is correct

Answer 2

Answer:

1 ........it may help u .