Solution
Solution
+1
Degrees
Solution steps
Solve by substitution
Let:
Find positive and negative intervals
Find intervals for
:
Rewrite for
Apply absolute rule: If then
:
Rewrite for
Apply absolute rule: If then
Identify the intervals:
Solve the inequality for each interval
For No Solution
For rewrite as
No Solution
Add similar elements:
The sides are not equal
Combine the intervals
Merge Overlapping Intervals
The intersection of two intervals is the set of numbers which are in both intervals
No Solutionand
For
For rewrite as
Add similar elements:
Divide both sides by
Divide both sides by
Simplify
Combine the intervals
Merge Overlapping Intervals
The intersection of two intervals is the set of numbers which are in both intervals
and
Combine Solutions:
Substitute back
General solutions for
periodicity table with cycle:
Solutions for the range
Combine all the solutions
Popular Examples
(30.56)/(sin(88))=(17)/(sin(x))sec(x+pi/4)=-sqrt(2),-pi<= x<= pi(56)/((7.071*7.681))=cos(θ)tan(2x+10)=cot(x-40)6cos(2t)=0
Frequently Asked Questions (FAQ)
What is the general solution for cos(x)+|cos(x)|=1,-2pi<= x<= 2pi ?
The general solution for cos(x)+|cos(x)|=1,-2pi<= x<= 2pi is x= pi/3 ,x=(5pi)/3 ,x=-(5pi)/3 ,x=-pi/3