SOLUTION: sin^2 12 degree+sin^2 40 degree+sin^2 50 degree+sin^2 78 degree
Algebra
->
Trigonometry-basics
-> SOLUTION: sin^2 12 degree+sin^2 40 degree+sin^2 50 degree+sin^2 78 degree
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
Question 588973
:
sin^2 12 degree+sin^2 40 degree+sin^2 50 degree+sin^2 78 degree
Answer by
Alan3354(69443)
(
Show Source
):
You can
put this solution on YOUR website!
sin^2 12 + degree+sin^2 + 40 degree+sin^2 + 50 degree+sin^2 + 78 degree
= sin^2 12 + cos^2(12) + sin^2 40 + cos^2(40)
= 1 + 1
= 2
-------------