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Sin(theta)sin(180-theta) = sin(theta) How???????plz answer fast i'll mark brainliest and follow u!!!! |
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Answer» ong>Answer: It should be sin²θ Step-by-step explanation: sin θ×sin(180-θ)=sinθ×sinθ [As sin (180-θ) lies in SECOND QUADRANT In second quadrant sin is ALWAYS POSITIVE] So, sinθ sin(180-θ)=sinθ×sinθ=sin²θ |
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