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Using basic geometry, solve sin 105°​

Using basic geometry, solve sin 105°​
58.4k views
22 votes
Using basic geometry, solve sin 105°​

User Vivek Sable
by
7.5k points

1 Answer

6 votes

Answer:

See below

Explanation:

sin ( 60 + 45) = sin60 cos 45 + cos45 sin60

= sqrt3 / 2 * sqrt2/2 + sqrt2/2 * 1/ 2

sqrt6/4 + sqrt 2/ 4

(sqrt6 + sqrt 2) / 4

User Cathi
by
8.3k points
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