meliiiiiii37
meliiiiiii37
Today at 12:13 PM
Mathematics
Answered
what does sin^2 x - cos^2 x equal
Answer :
joshnathanlee2006
joshnathanlee2006
Today at 12:17 PM
Answer:
-cos(2x)
Step-by-step explanation:
I did trig last year and tutor a trig class this year :)
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