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| Total Answers and Comments: 8 |
Last Update: October 23, 2006 Asked by: seshu |
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No best answer available. Please pick the good answer available or submit your answer. | |
July 27, 2006 09:53:14 | #3 |
| saravanan |
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RE: sin square + cos square=1 how
| sin opp/hyp cos adj/hyp (opp^2+adj^2)/hyp2 hyp^2/hyp^2 1.
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September 19, 2006 05:20:38 | #6 |
| Ashok |
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RE: sin square + cos square=1 how
| Hi All are thinking that just SIN as opp/hyp and COS as adj/hyp. Why aren't we all not thinking about the thing that there should be some angle associated with SIN and COS. I think that square as some form of angle like thing (like thita beta alpha ..) and place square as 90 ... degrees (or) 0 360 720... degrees. sin 90 + cos 90 1 or sin 0+ cos 0 1
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October 22, 2006 02:45:07 | #7 |
| Ashwin |
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RE: sin square + cos square=1 how
| hey the answer is quite simple sin2 1 - cos2 (by trig formulae) cos2 1 - sin2 (by trig formulae) therefore substitute any one of the above formulae in the question therefore we get sin2 + cos2 1 (1 - cos2) + cos2 1 thats it......:)
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October 23, 2006 04:06:50 | #8 |
| pitamber kumar |
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RE: sin square + cos square=1 how
| we have sinx p/h & cosx b/h so sin^2x +cos^2x (p/h)^2+(b/h)^2 (p^2+b^2)/h^2 1 ((((p^2+b^2 h^2))))) by pythagorous theorem urs pitamber kumar NIT kurkshetra civil engineering b.tech(3rd sem)
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