Perhaps in figuring angles and bevels when installing mouldings or when figuring lengths of rafters in stick building. I personally never got beyond basic algebra in high school(and barely made passing grades) yet I have built hundreds of houses and installed a lot of mouldings at a lot of crazy angles and squared up a lot of foundations just using basic math and a lot of common sense. It might have been easier had I known trig but it sure did'nt seem necessary.
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Addition, subtraction, multiplication, and division, basic algebra, geometry, trigonometry.
The earth, which we live on, is approximately a sphere. It is important, therefore, to know spherical trigonometry.
The students and teacher of my trig. class
Trigonometry is important in daily life for many reasons. People use patterns and symmetry in relating to objects around them. For example. trigonometry is used in decorating a home.
An important contribution by Menelaus of Alexandria was his works on geodesics.