Aren't "area" "of" and "rectangle" all words? ;)
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I feel like diagrams like this for trig identities would have been very eye-opening during university calculus.
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Which formula are we "proving" here?
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Does this hold if x is complex ? What if i also ranged from 0 i to π/2 i or across the range of ±π/2 i ?
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فيرمات الصراحة.
End of conversation
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Kind of no proof here, you just wrote the formula down. This is a visual formula right?
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Show me to proof of cosecant ;)
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