Find the sine and cosine of 450.

Q: a4.- Simplify and write the trigunometric esxpression in terms of sine and cosine 1 tsecy

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Q: Find the exact value of the given expression. Sketch and label a right triangle supporting your…

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Q: Find the third side in sin

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Q: The sine of any acute angle must be greater than____-and less than____?

A: Let the acute angle is θ We have the interval of acute angle 0<θ<π2

Q: sin0 cot0+ csco 1+cose

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Q: 2 sec²0 = 1 1-sine + 1 1+sine

A: Prove above question

Q: The sine of 80° has the same value as sine of 100. O True O False

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Q: Express each product as a sum containing only sines or only cosines. sin(3θ) sin(5θ).

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Q: Guadalupe is skiing along a circular ski trail that has a radius 3.1 km long. She starts at the…

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Q: Determine the equation of the following sine function  see pic

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Q: tan cx)-1 tan (x)-3

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Q: What is the sin of θ = 40°?

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Q: sin 45° sono 14 sine+ 20.7°

A: Given the equation . The objective is to solve for .

Q: when it is necessary to use the Law of Cosines instead of the Law of Sines.

A: This question is based on Law of Cosine and sine rule.

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.