What is the difference between sin(90) = 0.893996664 and sin(90) = 1? - Quora

Why is sin 90 taken to be 1? - Quora

Sin 90 Degrees I Formula and its Derivation I Sample Examples

What is the value of sin90-tan90? - Quora

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When is it true that sin (a +b) - Sin(a) = sin(b)? - Quora

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Does Sin() have a value? - Quora

What does sin(90°)=1 mean? - Quora

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What does sin(90°)=1 mean? - Quora

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