If sin²x + cos²x = 1. Then sinx equals ?
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Answered by
2
Answer:
sin²x + cos²x = 1
sin²x = 1 - cos²x
sinx = √1 - cos²x
Hope this helps you
Answered by
2
⇒ sin²x + cos²x = 1
⇒ sin²x = 1 - cos²x
⇒ sinx = √(1 - cos²x)
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