Asked by tina
sin105
Answers
Answered by
drwls
Assuming 105 has units of degrees, the answer is the same as sin 75, which is
sin (30 + 45)
= sin 30 cos 45 + cos 45 sin 30
= [(sqrt2)+(sqrt 6)]/4 = 0.9659...
sin (30 + 45)
= sin 30 cos 45 + cos 45 sin 30
= [(sqrt2)+(sqrt 6)]/4 = 0.9659...
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