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Write each expression as sine,

The word cosine literally means "the complement of the sine." Write a paragraph explaining how complements of sine and cosine
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2. asked by Helen
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write each expression as the sine, cosine or tangent of a double angle. then find the exact value of the expression.a. 2sin 22.5
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2. asked by ama
3. 1,504 views
Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression.2tan 2pi/3 /
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2. asked by tony
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Write the expression in terms of sine only.3(sin 2x − cos 2x)
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2. asked by nikko
3. 125 views
Write the expression in terms of sine only.8(sin 2x − cos 2x)
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2. asked by Shane
3. 2,817 views
Write the following expression as the sine, cosine or tangent of an angle.cos 3x cos 2y + sin 3x sin 2y
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2. asked by Mariam
3. 511 views
Write the expression as the sine, cosine, or tangent of an angle.sin(2π/9)cos(3π/8)+cos(2π/9)sin(3π/8)
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2. asked by Stella
3. 607 views
Write the expression as the sine, cosine, or tangent of an angle.cos 0.96 cos 0.42 + sin 0.96 sin 0.42 Is this cos 0.54?
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2. asked by Anonymous
3. 617 views
Write each expression as sine, cosine, or tangent of an angle. Then find the exact value of the expressiontan 50-tan20/1+ tan 50
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2. asked by ama
3. 844 views
Simplify and write the trigonometric expression in terms of sine and cosine:((2+tan^2 x)/(sec^2 x))-1 = (f(x))^2 f(x)= ??
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2. asked by dylan
3. 441 views