Answers

  • Brainly User
2015-02-25T22:59:04+05:30
Sin(45)=1/
cos(45)=1/
 sin(45)/cos(45)=1
*this formula is only valid when A=(45)
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2015-02-26T00:45:31+05:30
In triangle A,B,C=60 degree then it will be sambhahu triangle
then let lanb=a,karn=b and adhar=c
so sin A=a/b,.cos A=c/b
where a=b=c.
hence sin A/cos A=(a/b) /(c/b)=1
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