Solution
Solution
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
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
Remove parentheses:
Multiply
Multiply fractions:
Simplify
Apply rule
Multiply fractions:
Divide the numbers:
Rewrite in standard complex form:
Apply the distributive law:
Apply minus-plus rules
Multiply the numbers:
Popular Examples
Frequently Asked Questions (FAQ)
What is the value of 6(cos((4pi)/3)+isin((4pi)/3)) ?
The value of 6(cos((4pi)/3)+isin((4pi)/3)) is -3-3sqrt(3)i