Find BC. C 63° В 9 Write your answer as an integer or as a decimal rounded to the nearest tenth. ВС — Submit

Q: cos sin-cos -d0

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A: This question is about trigonometric identites

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A: Since θ is constructible, by definition, (cosθ, sinθ) is a constructible point.

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A: (c) sin-1(12) = π6this is in quadrant 1

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Q: 2. In this triangle, what is equivalent to cos A? cos B sin(90-B) O sin A sin(90-A)

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Q: simplify the following trigonometric equation (1+sin\theta)/(1+cos\theta)

A: Trigonometry

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Q: 10. Find the exact values of the other four trigonometric functions of if cos 0 = = and sin 8=- 12…

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A: We have given to find exact value  cosπ3 =12

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Q: Answer (a) through (d). Please show your work.

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A: NOTE: Refresh your page if you can't see any equations. . here we have

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.

Q: What do we mean when we want tan theta written in terms of sin  theta ?

A: Our Aim is to write tan θ in terms of  sin θ.

Q: 3. 4

A: To find the trigonometric ratios from the given right triangle