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JBD PUBLICATION-TRIGNOMETRIC FUNCTIONS-EXAMPLE
- The value of sinpi/14 sin(3pi)/14 sin(5pi)/14 is equal to:
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- Prove that:cos(x+135^@)-cos(x-135^@)=-sqrt2 sinx
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- Find the solutions of the equation sinx=-sqrt3/2 when x in [0,pi]
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- Prove that:(cos7x+cos5x)/(sin7x-sin5x)=cotx
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- Prove that: sin3x=3sinx-4sin^3x
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- Prove the following: (sinx + sin3x)/(cosx + cos3x)=tan 2x
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- Find the radian measures corresponding to the following degree measure...
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- Find the radian measures corresponding to the followind degree measure...
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- A wheel makes 360 revolutions in one minute. Through how many radians ...
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- A circular wire of radius 7.5 cm is cut and bent so as to lie along th...
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- Find the values of other five trignometrtic functions in each of the f...
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- Find the values of other five trignometrtic functions in each of the f...
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- 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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