Math, asked by shindorekrishnil, 5 months ago

Complementary angles- Prove that : cos 55° sin 35° + sin 55° cos 35º = 1

Answers

Answered by Mintuhere

1

Step-by-step explanation:

by formula

cosAsinB+sinAcosB=sin(A+B)

cos55sin35+sin55cos35=sin(35+55)

sin(90)=1

hence proved

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