Trigonometry

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Trigonometric Ratios of Standard Angles
Trigonometric Ratios of Standard Angles 150 150 SchoolTutoring Academy

Usually, a calculator is used to find the trigonometric ratios at different values. But sometimes, the problem may ask to solve it without using a calculator where it involves some…

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Problem-Solving and Verbal Overshadowing
Problem-Solving and Verbal Overshadowing 150 150 Suzanne

Problem-solving is something we all do every day. In terms of what our brains are doing, there are two very distinct processes being used. We either analyze the problem or…

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Trigonometry: Conversion of Degrees and Minutes
Trigonometry: Conversion of Degrees and Minutes 150 150 SchoolTutoring Academy

Usually the angle in a circle is 360 degrees. Though an angle is usually measured in terms of degrees, the fractional parts of the degrees are measured in terms of…

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Core Intuitions – Why We Are All Smart
Core Intuitions – Why We Are All Smart 150 150 Suzanne

Educators have been influenced by the theory of multiple intelligences for a few decades now. This theory, which was developed by Howard Gardner in 1983, suggests that we all have…

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SchoolTutoring Academy Top Rating Article: Law of Tangents
SchoolTutoring Academy Top Rating Article: Law of Tangents 150 150 SchoolTutoring Academy

Law of tangents gives the relationship between the tangents of two angles of a triangle and the lengths of the opposite sides. In the triangle above, a, b, and c…

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Law of Cosines
Law of Cosines 150 150 SchoolTutoring Academy

Law of cosines relates the lengths of sides of an oblique triangle (triangle that is not right-angled) to the cosine of one of its angles. This law is also known…

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Introduction to Sine Law
Introduction to Sine Law 150 150 SchoolTutoring Academy

The Law of Sines is an equation relating the sides of a triangle to the sines of its angles. This law is also known as Sine Law, Sine Formula or…

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Unit Circle and Trigonometric Ratios
Unit Circle and Trigonometric Ratios 150 150 SchoolTutoring Academy

The unit circle is a circle whose radius is one and center is at the origin.                     According to Pythagorean Theorem,…

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Six Trigonometric Ratios
Six Trigonometric Ratios 150 150 SchoolTutoring Academy

In greek ‘Trig’ means triangle and ‘metic’ is for measurement. The Trigonometric rations are used to express relationship between angles and sides of a right triangle ( a triangle with…

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Trigonometry – Definition of a Radian
Trigonometry – Definition of a Radian 150 150 SchoolTutoring Academy

We’ve seen how to measure angles in degrees using a protractor: However, the degree is a fairly arbitrary unit of measurement – who decided to divide the circle into 360…

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