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

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

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories