Question

5. In a & ABC, right angled at A, if tan C = 73, find the value of sin B cos C + cos B sin C.​

Answer 1

Answer:

Sin B cosC + cos B sinC = Sin ( B + C)

In triangle ABC , A = 90° (given)

and we know that in a triangle

A + B + C = 180°

since A = 90°

so , B + C = 90°

sin( B +C ) = sin 90° = 1