SOLUTION: solve: 3 sin x - 2 = 7 sin x -1
Algebra
->
Trigonometry-basics
-> SOLUTION: solve: 3 sin x - 2 = 7 sin x -1
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
Question 195806
:
solve: 3 sin x - 2 = 7 sin x -1
Answer by
RAY100(1637)
(
Show Source
):
You can
put this solution on YOUR website!
3 sinx -2 = 7sinx -1
.
-1 = 4 sinx
.
-1/4 =-.250 = sinx
.
taking arc sign
.
x = - 14.5 deg or 194.5 deg (180 +14.5)
.
checking
.
3(-.25) -2 = 7(-.25) -1
-2.75 = -2.75 ok