solve log10 to base (tan20)+log10 to base (tan70)
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log 10 the base
let us assume
tan =20
log=10
tan =70
tan=cos - tan
10 x 20 =200
200- 130 = 70
(tan 70) proved...
let us assume
tan =20
log=10
tan =70
tan=cos - tan
10 x 20 =200
200- 130 = 70
(tan 70) proved...
snehadurga:
not satisfied
yes it proved
think it in may other way to solve
this is the method to prove sin cos & tan
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