Answer:
Step-by-step explanation:
it can be simplified to . if you multiply each side by the denominator, it becomes since and cotan is the reciprocal of that. Because so multiplying each side gives , and is equal to 1.
Answer:
Once the account is open, it is the responsibility of the account holders to reconcile their statements and maintain a proper balance in order to clear all checks. It is very important to pay attention to your balance, and a monthly reconciliation of your account is highly beneficial.
Step-by-step explanation: