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zlopas [31]
3 years ago
12

Review the steps of the proof of the identity sine (a minus startfraction 3 pi over 2 endfraction) = cosine a. Sine (a minus sta

rtfraction 3 pi over 2 endfraction) step 1: = sine a cosine (startfraction 3 pi over 2 endfraction) minus cosine a sine (startfraction 3 pi over 2 endfraction) step 2: = (sine a) (0) + cosine a (negative 1) step 3: = (sine a) (0) + (1) (cosine a) step 4: = 0 + cosine a step 5: cosine a at which step was an error made?.
SAT
2 answers:
ki77a [65]3 years ago
8 0

Answser:

step 2

Explanation:

Andrej [43]3 years ago
5 0

Answer:

B. Step 2 for the

sin(A-3pi/2)=cos A one

Explanation:

on Egenuity

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