ivy220302 ivy220302
  • 17-05-2022
  • Mathematics
contestada

Using basic geometry, solve sin 105°​

Respuesta :

jsimpson11000 jsimpson11000
  • 17-05-2022

Answer:

See below

Step-by-step 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

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