perplexus.info :: Just Math : Trig trick

Trig trick (Posted on 2002-11-07)

Prove that

sin² x + cos² x = 1

See The Solution Submitted by Dulanjana

Rating: 2.4545 (11 votes)

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re: Solution

| Comment 4 of 13 |

(In reply to Solution by Happy)

just to add to this you must remeber that trig is with right tiangle

Posted by seraphya berrin on 2002-11-23 14:07:50

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