Solution
Solution
+1
Degrees
Solution steps
Subtract from both sides
Rewrite using trig identities
Use the Double Angle identity:
Simplify
Group like terms
Subtract the numbers:
Solve by substitution
Let:
Write in the standard form
Solve with the quadratic formula
Quadratic Equation Formula:
For
Apply rule
Apply rule
Multiply the numbers:
Add the numbers:
Separate the solutions
Multiply the numbers:
Multiply the numbers:
The solutions to the quadratic equation are:
Substitute back
Apply trig inverse properties
General solutions for
No Solution
Combine all the solutions
Show solutions in decimal form
Popular Examples
2*9.19*sin(x)=1.5406csc^3(x)-4csc(x)=3cot^2(x)1+tan^2(θ)=4tan^2(θ)(tan(θ)+1)(cos(θ)+1)(sin(θ))=06sin(2x)-3=0
Frequently Asked Questions (FAQ)
What is the general solution for cos(2A)+cos(A)=1 ?
The general solution for cos(2A)+cos(A)=1 is A=0.67488…+2pin,A=2pi-0.67488…+2pin