Plane and Spherical Trigonometry

abscissa acute angle amplitude angle of elevation co-a co-c colog complex number Computation Construct coördinates cos(a cos¹ cos² cos³ cosh cosine cot² cotangent determined Draw equal equation Example Express Find the angle Find the area Find the height Find the value formulas fourth quadrant Given horizontal plane hyperbolic functions imaginary unit included angle initial side intersection log sin ẞ logarithms M₁P₁ measured miles per hour modulus multiples Napier's rules negative nth root OM₁ ordinate Plot polar triangle positive Prove radians radius right spherical triangle right triangle sec² segment sin a sin sin y sin-¹ sin² sin³ sinh Solution Solve SPHERICAL TRIGONOMETRY Substituting Subtracting tan-¹ tan² tana tangent terminal side trigonometric functions unit circle vector vertical α α απ