Level:
Project ID:
9000086709
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
Identify the equation which arises from the following equation using an optimal
substitution.
\[
6\cos ^{2}x +\sin x - 5 = 0
\]
\(6t^{2} - t = 1\)
\(6t^{2} + t - 5 = 0\)
\(6t = 5\)
Equation is not convenient for a substitution.