Question

sin55degree-cos35degree=0​

Answer 1

LHS

sin55° - cos35°

sin55° - cos (90 - 55)°

sin55° - sin55°

0

Answer 2

Answer:

sin 55 = cos (90-55)=cos 35

as sinA=cos (90-A)

so sin55-cos35= cos35- cos 35=0

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