Establish the identity 1-2 sin?o coso-2 sin o= cos (20) Choose the sequence of steps below...

Question

Question

Establish the identity 1-2 sin?o coso-2 sin o= cos (20) Choose the sequence of steps below that verifies the identity. O A. 1

Answer 1

Answer #1

solution . (since, 1-2 sin?O cos?0 - 2 sinho = 20$20. So, ;- 2sin?o cos? 0 - 2 sinto. = (cos? o + sin’e) - 2 sin?O cor 9 -2s

Answer 2

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