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Question 3(10 points) Listen ReadSpeaker webReader: Listen Prove the following identities: (If it is a one step problem please state the formula used) Question 3
Question 3(10 points)
Listen
ReadSpeaker webReader: Listen
Prove the following identities:
(If it is a one step problem please state the formula used)
Question 3 options:
a)cos (x + pi/2) = -sin(x)
b)(sin (x) + cos (x))2 =1 + sin(2x)
c)2csc (2x) = sec (x) csc (x)
d)sin (x + y)/ sin (x- y) = tan (x) + tan (y)/ tan (x) - tan (y)
e)sec (-t)/ tan (-t) = -csc(t)
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