Trigonometry is actually quite relevant especially relating to real life situations. We often, however fail to foresee its importance as we refrain from thinking about its relevance.
Trigonometry is required in many career paths such as:
- architecture
- biology
- chemistry
- actuary
- animation
- astronomy
- attorney
and many more.
Trigonometry is commonly used in finding the height of towers and mountains.
It is used in finding the distance between celestial bodies.
The sine and cosine functions are fundamental to the theory of periodic functions such as those that describe sound and light waves.
Trigonometric identities are found heavily in architecture. especially when developing large infrastructure. The six different identities are used to find either the length of one one or more sides of a shape, or the angle at which different materials should be placed at. It is common to find them when constructing blueprints for actual structures. (Examples of this are shown below.)
Trigonometric identities are applicable in the field of music for stringed instruments. For example, the vibration of a violin possesses the same shape as a sine function. When playing instruments you don't think about trigonometric identities, but when calculating the physics behind it, they come into play. Trig identities in music are typically a calculation of frequency and are represented by using kilohertz (kHz)
- k.v.
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