Question

sinQ.cos(90-Q)=______​

Answer 1

Answer:

sinQ.cos(90-Q)= sinQ.sinQ = 2sinQ

Answer 2

Answer:

sinQ.cos ( 90 - Q )

We know that, cos ( 90 - Q ) = sinQ.

Therefore, we have,

sinQ.sinQ

sin²Q, is the answer.

Step-by-step explanation:

Hope it helps...