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The important part of this question is to really understand what the cosine function looks like, many students will use their calculators to find arccos(0.6) = 53.13 degrees, but not find the other soluti...

Although strictly speaking you get no extra marks for writing out your mathematics clearly and logically, getting into the habit of doing so can help your work in a lot of ways: 1. You ca...

The exposition is the first main section of a sonata form movement. Its job is to establish the main themes of the movement and to generate tonal, and therefore structural, tension. The exposition can be ...

Development can be defined as a process of economic and social advancement in terms of quality of human life.  It can be measured in terms of culture, wealth, education, healthcare, opportunities and can ...

d=ut+0.5at²

so d=200m