Question

Sin²(540-theta) = how much???

Answer 1

hey mate it's your answer:

On the trig unit circle:

cos (540) = cos (180 + 360) = -1

sin 540 = sin (180 + 360) = 0

tan 540 = tan (180 + 360) = 0

cot (540) = cot (180 + 360) = infinity

hope it help

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Answer 2

check the attachment

hope it helps