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find x if 3tan(x-1 5^(@))=tan(x+1 5^(@))...

find `x` if `3tan(x-1 5^(@))=tan(x+1 5^(@))`

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The correct Answer is:
`x=(npi)/(2)+(-1)^(4)(pi)/(4),ninz`
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CBSE COMPLEMENTARY MATERIAL-TRIGONOMETRIC FUNCTIONS -SHORT ANSWER TYPE QUESTIONS
  1. sqrt(2)sectheta+tantheta=1

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  2. Solve 3 tan x + cot x = 5 cosec x

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  3. find x if 3tan(x-1 5^(@))=tan(x+1 5^(@))

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  4. Solve tan x+tan 2x + sqrt3 tan x tan 2x= sqrt3

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  5. Solve tan x+secx = sqrt3

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  6. If secx=sqrt2 and (3pi)/(2)lt x lt 2pi find the value of (1-tanx-cosec...

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  7. Prove that sin10^(@) sin 30^(@) sin 50^(@) sin 70^(@)=1/16

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  8. Let f(theta)=cottheta/(1+cottheta) and alpha+beta=(5pi)/4 then the va...

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  9. Prove that tan 70^(@) = "tan " 20^(@) + 2"tan " 50^(@)

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  10. Prove that tan13x = tan 4x + tan 9x + tan 4x tan 9x tan 13x

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  11. Prove that (tan 5theta + tan 3theta)/(tan 5theta - tan 3theta) = 4 c...

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  12. Prove the following Identities (cosx+sinx)/(cosx-sinx)-(cosx-sinx)/...

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  13. Prove the following Identities (cos 4x sin 3x - cos 2xsin x)/(sin 4...

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  14. Prove the following Identities (1+sin theta-costheta)/(1+ sintheta+...

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  15. tanalpha.tan(60^@-alpha).tan(60^@+alpha)=tan3alpha

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  16. Prove that: \ sqrt(2+sqrt(2+2cos4theta))=2costheta

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  17. Prove the following Identities (cosx)/(1-sinx)=tan((pi)/(4)+(x)/(2)...

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  18. Prove the following Identities cos 10^(@) + cos 110^(@) + cos 130^(...

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  19. Prove the following Identities (sin(x+y)-2sinx+sin(x-y))/(cos(x+y)-...

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  20. Prove the following Identities sin x +sin 2x + sin 4x +sin 5x = 4 co...

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