Question

which statement is true
a: sin A= cos(90-A)
b: cos A= sec(90-A)
c: tan A= tan(90-A)
d: sin A= cosec(90-A)

please send me fast​

Answer 1

Answer:

Statement a.sinA = cos(90-A) is true statement

Answer 2

Answer:

sin A = cos (90-A)

is true statement