Math, asked by jogdanddiksha14, 1 month ago

find value of alfa and beta if sin 80°+sin 50°=2 sin alpha × cos beta

Answers

Answered by shivsaicatering

2

O don’t know sorry

Plsss
Forgive me

Answered by geetapawar2914

0

Answer:

alpha= 65 beta=15

Step-by-step explanation:

sin 80°+sin 50°=2sin(80+50/2). cos(80-50/2)

= 2sin(130/2). cos(30/2)

= 2sin(65). cos(15)

=2sin alpha.cos beta

alpha= 65, beta=15

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