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Questions Tagged with "trigonometry" (Page 2)

Explore solved questions tagged with "trigonometry" or help others by answering their unsolved questions related to "trigonometry".

Calculation of $left(frac{1}{cos^2x}right)^{frac{1}{2}}$

1 answer

Mathematics Asked 3 years ago by underdisplayname

product of sums: $R_{XX}(t_1, t_2) = cos(t_2 - t_2) + cos t_1 cos t_2$

1 answer

Mathematics Asked 3 years ago by pico

Is there any visual representation on why (certain) trigonometric functions have infinite derivatives.

2 answer

Mathematics Asked 3 years ago by Teabx

Geometric proof for the half angle tangent

3 answer

Mathematics Asked 3 years ago by brazilian_student

Simplifying trigonometry function by substitution

2 answer

Mathematics Asked 3 years ago

Bound on truncated trigonometric polynomial

2 answer

Mathematics Asked 3 years ago by Exodd

plot of $sin(x) + sin(y)= cos(x) + cos(y)$

4 answer

Mathematics Asked 3 years ago

Is it possible to show that the fifth roots of 1 add up to 0 simply by using trigonometric identities?

5 answer

Mathematics Asked 3 years ago

Why does the plot of $f(x)=|cos x|-|sin x|$ look almost piecewise linear?

2 answer

Mathematics Asked 3 years ago by Meowdog

How can I determine the radius of 4 identical circles inside an equilateral triangle $ABC$?

5 answer

Mathematics Asked 3 years ago by user766881

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