Plane Trigonometry for Colleges and Secondary Schools |
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Common terms and phrases
A+B+C acute angle algebraic angle of elevation central angle CHAPTER circle circular sector circumscribing cologarithm column computation cos² cosec cotangent deduced denoted Derive draw equal equation EXAMPLES expression figures find log Find the angle Find the distance Find the height find the number formulas geometry Given log graph Hence Hipparchus hypotenuse inverse trigonometric functions isosceles triangle law of sines length mantissa mantissa of log mathematics method negative NOTE number of degrees number of sides perpendicular places of decimals proj Prove quadrant radian measure radius regular polygon right angles right-angled triangle sec² secant Show sin² sine and cosine solution Solve spherical trigonometry subtended tan-¹ tan² tangent terminal line theorems tower triangle ABC trigono trigonometric functions trigonometric ratios whole number zero π π