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JBD PUBLICATION-TRIGNOMETRIC FUNCTIONS-EXAMPLE
- Find the values of the trignometric functions in the following: cosec(...
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- Find the values of the trignometric functions in the following: tan (1...
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- Find the values of: sin((-11pi)/3)
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- Show that no value of theta can satisfy the equations: 6 sec^2theta-5s...
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- Find the value of: cos((5pi)/12)
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- Find the value of: tan((13pi)/12)
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- Prove the following: cos(pi/4-x)cos(pi/4-y)-sin(pi/4-x)sin(pi/4-y)= si...
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- Prove the following: sin^2 6x-sin^2 4x = sin 2x sin 10x
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- Prove the following: cos^2 2x - cos^2 6x = sin 4x sin 8x
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- Show that: tan5x-tan3x-tan2x=tan5xtan3xtan2x
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- If A+B=45^(@), then shown that (1+tanA)(1+tanB)=2.
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- Prove that tan2x=(2tanx)/(1-tan^2 x)
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- Prove that:(sin2x)/(1+cos2x)=tanx
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- Show tha: cos4A=1-8cos^2A+8cos^4A.
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- Show tha: cos6A=32cos^6A-48cos^4A+18cos^2A-1
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- Prove the following: (sin5x + sin 3x)/(cos5x + cos3x)=tan4x
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- Prove the following:sin(150^@+x)+sin(150^@-x)=cosx
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- Prove that sin51^(@)+cos81^(@)=cos21^(@) .
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- Show that: sn10^@+sin20^@+sin40^@+sin50^@=sin70^@+sin80^@
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- Find the principal solutions (0 le x le 2pi) of the following euqtions...
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