Question

sin 63.cos 27 +cos63.sin27 =1
​

Answer 1

Answer:

sin27

∘

sin63

∘

−cos63

∘

cos27

∘

=sin(90−63)

∘

sin63

∘

−cos63

∘

cos(90−63)

∘

cos63

∘

sin63

∘

−cos63

∘

sin63

∘

=0

Answer 2

Answer:sin 63 cos 27 +cos 63 sin 27 =1

sin 63 cos 27 +cos 63 sin 27 :( FORMULA OF SIN ( A+B)

=sin 63+27

=sin 90

=1

R.H.S =1

l.H.S=R.H.S PROVED