Question

Sin (A+B) =Sin A. Cos B +
cos A. Sin B
answer fast please don't spam​

Answer 1

Step-by-step explanation:

Putting A = 45

o

and B = 30

o

in sin (A + B) = sin A cos B + cos A sin B , we get

sin ( 45

o

+30

o

) = sin45

o

cos30

o

+ cos45

o

sin 30

o

⇒sin75

o

=

2

1

×

2

3

+

2

1

×

2

1

=

2

2

3

+

2

2

1

=

2

2

3

+1

Answer 2

Answer:

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Step-by-step explanation:

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