Question

find the value of sin (45° + 30°)​

Answer 1

Answer:

sin(45+30)

sinacosb +casasinb

sin45cos30+ cos45sin30

1/✓2*✓3/2+ 1/✓2*1/2

✓3/2✓2+1/2✓2

(✓3+1)/2✓2

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Answer 2

Step-by-step explanation:

Sin(a+b) = sin a cos b + cos a sin b

sin (45+ 30) = sin 45 cos 30+ cos 45 sin 30

= (1÷√2 ) *(√3÷2)+( 1÷√2)* (1÷2)

= (√3+1)÷ 2√2