Question
Use fundamental Identities to find the exact value of the expression. Do not use a calculator.
Sin² 65° + cos² 65°=??..
How would I attempt to solve this problem??
Sin² 65° + cos² 65°=??..
How would I attempt to solve this problem??
Answers
Reiny
1
(by definition)
(by definition)
Lacy
find sin65 and square it. find cos 65 and suare it. then add the two answers together