I am ABSOLUTLY stuck on this idenity problem! Anyone please help!
Prove algebraically that the equation is an identity:
(5cosC-2sinC)^2+(2cosC+5sinC)^2=29
Please help! Thank you so much!
I am ABSOLUTLY stuck on this idenity problem! Anyone please help!
Prove algebraically that the equation is an identity:
(5cosC-2sinC)^2+(2cosC+5sinC)^2=29
Please help! Thank you so much!