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If (sin(x+y))/(sin(x-y))=(a+b)/(a-b) , s...

If `(sin(x+y))/(sin(x-y))=(a+b)/(a-b)` , show that `(tanx)/(tany)=a/b` .

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To prove that \(\frac{\tan x}{\tan y} = \frac{a}{b}\) given that \(\frac{\sin(x+y)}{\sin(x-y)} = \frac{a+b}{a-b}\), we can follow these steps: ### Step 1: Start with the given equation We have: \[ \frac{\sin(x+y)}{\sin(x-y)} = \frac{a+b}{a-b} \] ...
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RD SHARMA-TRIGONOMETRIC RATIOS OF COMPOUND ANGLES-Solved Examples And Exercises
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  19. If sin(picostheta)=cos(pi sintheta),t h e n sin2theta=

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