Question

SinAcos(90°-A) +cosAsin(90°-A)=?
please help me with this....​

Answer 1

Answer:

answer is 1

Step-by-step explanation:

hope it helps you

Answer 2

Answer:

as we know cos(90-A) = sinA

and sin(90-A)=cos A

Step-by-step explanation:

sinAcos(90-A) +cosAsin(90-A)

=sin²A+cos²A

=1

hope this helps