Trigonometry

Trigonometric Ratios Of Some Specific AnglesThe angles 0°, 30°, 45°, 60°, 90° are angles for which we have values of T.R.θ0°30°45°60°90°Sin01/21/√2 √3/21Cos1 √3/2 1/√21/20Tan0 1/√31√3∞Cosec∞2√22/√31Sec12/√3 √22∞Cot∞√311/√30Trigonometric…

Heights And Distances Angle Of Elevation The angle of elevation of the point viewed is the angle formed by the line of sight with the horizontal when the point being viewed is above the horizontal level, i.e. the case when we raise our head…

Heights And Distances Angle Of Elevation The angle of elevation of the point viewed is the angle formed by the line of sight with the horizontal when the point being viewed is above the horizontal level, i.e. the case when we raise our head…

Trigonometry: Solving Word ProblemsTrigonometry can be used on a daily basis in the workplace. Since trigonometry means “triangle measure”, any profession that deals with measurement deals with trigonometry as well. Carpenters, construction…

Trigonometry: Solving for an AngleUsing Trigonometric Functions to Find a Missing AngleThe initial set up for solving these problems will be the same as that for finding a missing side.To finish the problem, however, it will be necessary to…

Trigonometry: Solving for a SideThe word ‘trigonometry’ is derived from the Greek words ‘tri’(meaning three), ‘gon’ (meaning sides) and ‘metron’ (meaning measure). Trigonometry is the study of relationships between the sides and angles of a…

Trigonometry: Solving for a SideThe word ‘trigonometry’ is derived from the Greek words ‘tri’(meaning three), ‘gon’ (meaning sides) and ‘metron’ (meaning measure). Trigonometry is the study of relationships between the sides and angles of a…

Trigonometric Identities(1) (tan theta =frac{sin theta }{cos theta }text{ (linear)}) Conditional trigonometrical identitiesWe have certain trigonometric identities. Like sin2 θ + cos2 θ = 1 and 1 + tan2 θ = sec2 θ etc. Such identities are…

Are you afraid of big numbers and complex equations? Then, don’t be because Maths is not that much complicated than any mess. Maths can become your friend if you put some effort to understand and solve it. If you’re dreaming to be the next…

Trigonometric Ratios Of Complementary Angles We know Trigonometric ratios of complementary angles are pair of angles whose sum is 90° Like 40°, 50°, 60°, 30°, 20°, 70°, 15°, 75° ; etc, Formulae: sin (90° – θ) = cos θ,         cot (90° – θ)…