Is cos x sin x = 1 an identity?
2 Answers
Feb 23, 2016
No
Explanation:
An easy way to show that this is not an identity is to plug in
In fact, if we use the identity
Because
The more common trig identity which involves
which is true for all
Feb 23, 2016
My answer;
Absolutely not
Explanation:
According to this
\ I hope you get the point IT IS NOT TRUE FOR ALL VALUES OF X
So it is not an identity