Question

cos 38 cos 52-sin 38 sin 52=0​

Answer 1

Answer:

Step-by-step explanation:

cos38 . sin(90-52) - sin38 . cos(90-52)

cos38.sin38- sin38.cos38

hence =0

if it was helpful mark me brainliest

Answer 2

Answer:

LHS = cos38 sin(90-38) - sin38 cos(90-38)

Step-by-step explanation:

cos38 cos38 - sin38 sin 38

1 - 1

RHS = 0