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Anonymous Anonymous
  • 29-05-2016
  • Mathematics
Answered

explain why the sine of an acute angle of a right triangle is equal to the cosine of its complement

Verified Answer :

sridude sridude
  • 29-05-2016

to see this relationship, all you need to know is some basic trig. 

consider triangle ABC. the sin(β)=b/c ; cos(α)=b/c, therefore sin(β)=cos(α). also, since this is a right triangle, β and α are complements

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