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Calculate the value tan 9° - tan 27°- tan 63° + tan 81° |
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Answer» The value tan 9° - tan 27°- tan 63° + tan 81° is 4. The trigonometric functions are defined as the functions of an angle of a triangle which is also known as circular functions. The trigonometric functions give the relationship between the angles and sides of a triangle. The basic trigonometric functions are sine, cosine, tangent, cotangent, secant and cosecant. |
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