Trig identities help please!!!!!
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sin ( a+b)=1/root 2
cos (a+b)=1/roots 2
tan (a+b)=1
a+b is quadrant 1
cos (a+b)=1/roots 2
tan (a+b)=1
a+b is quadrant 1
nani2210:
mark me as brainliest
those are incorrect
why
I don't know but it's not correct
it is correct
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