Solution
Solution
+1
Degrees
Solution steps
Subtract from both sides
Rewrite using trig identities
Use the Pythagorean identity:
Simplify
Solve by substitution
Let:
Write in the standard form
Solve with the quadratic formula
Quadratic Equation Formula:
For
Apply rule
Apply exponent rule: if is even
Multiply the numbers:
Subtract the numbers:
Remove parentheses:
Multiply the numbers:
Apply the fraction rule:
Apply rule
The solution to the quadratic equation is:
Substitute back
General solutions for
periodicity table with cycle:
Combine all the solutions
Popular Examples
Frequently Asked Questions (FAQ)
What is the general solution for cos^2(x)=2+2sin(x) ?
The general solution for cos^2(x)=2+2sin(x) is x=(3pi)/2+2pin