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Trigonometry Examples
Step 1
Step 1.1
Simplify .
Step 1.1.1
Simplify each term.
Step 1.1.1.1
Rewrite in terms of sines and cosines.
Step 1.1.1.2
Rewrite in terms of sines and cosines.
Step 1.1.2
Apply the distributive property.
Step 1.1.3
Multiply .
Step 1.1.3.1
Combine and .
Step 1.1.3.2
Raise to the power of .
Step 1.1.3.3
Raise to the power of .
Step 1.1.3.4
Use the power rule to combine exponents.
Step 1.1.3.5
Add and .
Step 1.1.4
Cancel the common factor of .
Step 1.1.4.1
Cancel the common factor.
Step 1.1.4.2
Rewrite the expression.
Step 2
Step 2.1
Rewrite in terms of sines and cosines.
Step 3
Multiply both sides of the equation by .
Step 4
Apply the distributive property.
Step 5
Step 5.1
Cancel the common factor.
Step 5.2
Rewrite the expression.
Step 6
Step 6.1
Raise to the power of .
Step 6.2
Raise to the power of .
Step 6.3
Use the power rule to combine exponents.
Step 6.4
Add and .
Step 7
Apply pythagorean identity.
Step 8
Step 8.1
Cancel the common factor.
Step 8.2
Rewrite the expression.
Step 9
Since , the equation will always be true for any value of .
All real numbers
Step 10
The result can be shown in multiple forms.
All real numbers
Interval Notation: