Question

If tanx=3/4,what is the value of sinx+cosx÷sinx-cosx

Answer 1

Tanx=Opposite/Adjacent= 3/5

In ∆ABC ,

Angle B=90° Angle C=Theta

3,4,5 --> Pythagorean triplets !

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Sinx=3/5

cosx=4/5

Hence ,

=3/5 + 4/5 ÷ 3/5 - 4/5

=7/5 ÷-1/5

=7/-1

=-7

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Answer 2

see the attached file.......

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