Question

SinQ.CosQ(90-Q) +CosQ.SinQ(90-Q)​

Answer 1

Answer:

1

Step-by-step explanation:

SinQ.SinQ + CosQ.CosQ = 1

Answer 2

Answer:

answer is 1

Step-by-step explanation:

sinQ × cos(90-Q) + cosQ × sin(90-Q)

sinQ× sinQ + cosQ× cosQ

sin²Q + cos²Q = 1

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