Plane Trigonometry |
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A/sin acute angle Algebra angle of elevation Atan B₁ C/sin circle co-ratio common logarithm complex number compute cos² cosecant cosh cot A+B cot² cotangent csc² curve denote any angle directed line draw EXERCISE Find the angle Find the area Find the distance Find the height following identities formulas fourth quadrant Given Hence horizontal plane identical expression imaginary unit increases initial side isosceles triangle law of cosines law of sines loga mantissa MP/OP nometric ratios numerical measure Observe obtain OM/OP opposite positive acute angle positive or negative principal value Prove qth roots quality unit quotient radians radius reciprocal regular polygon right triangles sec² secant second quadrant sin² sin³ sinh tan² tangent third quadrant tower triangle ABC trigono trigonometric lines trigonometric ratios vector vertical ηπ