Sin15°*cos30°+cos15°*sin30°=
Answers
Answered by
5
Answer:
1÷root2
Explanation:
sinacosb +cosasinb =sin (a+b)
sin(15 +30)= 1÷root2
Answered by
2
Explanation:
Sina cosb + cosa sinb = sin (a + a)
maka,
sin 30 cos 15 + cos 30 sin 15 = sin (30 + 15)
= sin 45
= 1/2 √2
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