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Mathematics 9 Online
OpenStudy (omarbirjas):

Which of the following is a trigonometric identity? http://prntscr.com/77uqk2

TheSmartOne (thesmartone):

They took an identity and they did something to both sides of it to keep it equal.

TheSmartOne (thesmartone):

\(\sf cos^2 \theta + sin^2 \theta = 1\)

OpenStudy (omarbirjas):

ohhh ok gotcha.

TheSmartOne (thesmartone):

:)

OpenStudy (omarbirjas):

I did it and i got C, am I right?

TheSmartOne (thesmartone):

correct :)

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