Mathematics, 25.09.2019 20:30, jasminebailey829
Which of the following are identities?
check all that apply.
a tanx-tany=(sin(x-y))/(cosxcosy)
b 1-tanxtany= (sin(x+y))/(sinxsiny)
c tan (x-(pi/4))=tanx-1)
d cos (x+(pi/6))=-sin(x-(pi/3))
Answers: 1
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Which of the following are identities?
check all that apply.
a tanx-tany=(sin(x-y))/(c...
check all that apply.
a tanx-tany=(sin(x-y))/(c...
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