If cos A=12\13 then find sin A and tan A
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Answer: SinA = , TanA =
Step-by-step explanation:
Cos A =
Trigonometric Rule :- Sin²A + cos² A = 1
Sin² A + ( )² = 1
Sin² A + = 1
Sin² A = 1 - ( )
Sin² A =
Sin² A =
Sin A = √( 5/ 13 )²
Sin A =
Tan A =
= ( 5/13 ) ÷ ( 12 / 13 )
=
Therefore ,
SinA =
TanA =
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