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Geometry
Sum and Difference Trigonometric Formulas
Excel in math and science
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Concept Quizzes
Which of the following is equal to
\[ \frac{ \tan 43 ^ \circ - \tan 14 ^ \circ } { 1 + \tan 43 ^ \circ \times \tan 14 ^ \circ } ? \]
Excel in math and science
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Our wiki is made for math and science
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by Brilliant Staff
Which of the following is equal to
\[ \frac{ \tan 19 ^ \circ + \tan 26 ^ \circ } { 1 - \tan 19 ^ \circ \times \tan 26 ^ \circ } ? \]
Excel in math and science
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If \(\tan x=\frac{1}{14}\), the value of \(\tan \left(x+\frac{\pi}{4}\right)\) can be expressed as \(\frac{a}{b}\), where \(a\) and \(b\) are coprime positive integers. What is the value of \(a+b\)?
Excel in math and science
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It's hard to learn from lectures and videos
Learn more effectively through short, conceptual quizzes.
Our wiki is made for math and science
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If \( \tan N ^ \circ = \tan 12 ^ \circ + \sec 12 ^ \circ \), where \( 0 \leq N \leq 90 \), what is the value of \(N\)?
Excel in math and science
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It's hard to learn from lectures and videos
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Our wiki is made for math and science
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by Brilliant Staff
Which of the following expressions is equal to \( \tan 2 \theta \)?
Excel in math and science
Master concepts by solving fun, challenging problems.
It's hard to learn from lectures and videos
Learn more effectively through short, conceptual quizzes.
Our wiki is made for math and science
Master advanced concepts through explanations,
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Used and loved by 4 million people
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That seems reasonable.
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by Brilliant Staff