Solution
Solution
+1
Degrees
Solution steps
Subtract from both sides
Rewrite using trig identities
Use the Pythagorean identity:
Simplify
Expand
Apply the distributive law:
Apply minus-plus rules
Multiply the numbers:
Simplify
Group like terms
Add/Subtract the numbers:
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:
Factor the number:
Apply radical rule:
Separate the solutions
Remove parentheses:
Add the numbers:
Multiply the numbers:
Apply the fraction rule:
Divide the numbers:
Remove parentheses:
Subtract the numbers:
Multiply the numbers:
Apply the fraction rule:
Apply rule
The solutions to the quadratic equation are:
Substitute back
No Solution
General solutions for
periodicity table with cycle:
Combine all the solutions
Popular Examples
2cos^2(x)-cos(x)=1,0<= x<= 2pi7sin^2(θ)-36sin(θ)+5=0cos(x)=1-sin^2(x)tan((2x)/3)=03cos^2(A)+3cos(A)=0
Frequently Asked Questions (FAQ)
What is the general solution for sin^2(x)=6(cos(x)+1) ?
The general solution for sin^2(x)=6(cos(x)+1) is x=pi+2pin