Question

sin30.+cos60=sin90
sin30=1/2
cos60=1/2
sin90=1
to prove
sin30 +sin60=sin90
1/2+1/2=sin90
1+1/2=sin90
2/2=sin 90
1 =sin 90
l.h.s. r.h.s.
.hence proved
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Answer 1

Answer:

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Answer 2

Answer__sin30+sin60=sin90

1/2+1/2=sin90

2/2=sin90

1=sin90

LHS=RHS

Hence proved