Solution
Solution
+1
Decimal Notation
Solution steps
Rewrite using trig identities:
Rewrite using trig identities:
Write as
Use the Angle Sum identity:
Use the following trivial identity:
periodicity table with cycle:
Use the following trivial identity:
periodicity table with cycle:
Use the following trivial identity:
periodicity table with cycle:
Use the following trivial identity:
periodicity table with cycle:
Simplify
Simplify
Apply exponent rule: if is even
Apply exponent rule:
Apply radical rule:
Apply exponent rule:
Multiply fractions:
Cancel the common factor:
Cancel the common factor:
Popular Examples
Frequently Asked Questions (FAQ)
What is the value of sin^2((7pi)/4) ?
The value of sin^2((7pi)/4) is 1/2