Question

sin B cos C + cos B sin c and the answer is 1 please give the answer fast ​

Answer 1

Answer: yes it's answer is 1.

Step-by-step explanation:

You should note a formula of Sin(B + C)

Sin(B + C) = SinB(CosC) + CosB(SinC)

In question, Angle A = 90°

So, in ∆ sum of all angles = 180°

That means, angle B + angle C = 90°

Hence, Sin(B + C) = Sin(90°) = 1

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