Solution
Solution
+1
Decimal Notation
Solution steps
Rewrite using trig identities:
Use the basic trigonometric identity:
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
Remove parentheses:
Multiply fractions:
Multiply the numbers:
Simplify
Apply radical rule:
Multiply the numbers:
Multiply fractions:
Multiply:
Multiply the numbers:
Apply rule
Simplify
Apply the fraction rule:
Rationalize
Multiply by the conjugate
Apply FOIL method:
Apply minus-plus rules
Simplify
Add similar elements:
Apply radical rule:
Apply radical rule:
Subtract the numbers:
Divide the numbers:
Popular Examples
Frequently Asked Questions (FAQ)
What is the value of sec(165) ?
The value of sec(165) is -sqrt(6)+sqrt(2)