Question

from the adjacent figure find the value of 3sno + 4sino​

Answer 1

Step-by-step explanation:

NSWER

sinθ=

AC

AB

sin45

∘

=

AC

AB

using Pythagoras theorem, we get

AC

2

=(AB)

2

+(BC)

2

AC

2

=a

2

+a

2

Ac=

2

a

sin45

∘

=

2

a

a

∴sin45

∘

=

2

1