SOLUTION: Without using a calculator, show that sin75degrees = (sqrt6+sqrt2)/4
Algebra
->
Trigonometry-basics
-> SOLUTION: Without using a calculator, show that sin75degrees = (sqrt6+sqrt2)/4
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
Question 596053
:
Without using a calculator, show that sin75degrees = (sqrt6+sqrt2)/4
Answer by
Alan3354(69443)
(
Show Source
):
You can
put this solution on YOUR website!
Without using a calculator, show that sin75degrees = (sqrt6+sqrt2)/4
-------------
sin(75) = sin(45 + 30) = sin(45)*cos(30) + cos(45)*sin(30)
=