3. Name a trigonometric ratio using sin that is equivalent to cos 30°.

Q: 1. Use trigonometry to find the measure of x. Sine-을 Cose-습 Taneo=옷 1200 ft. 14.04 48°

A: Consider the given figure:

Q: Simplify using either an Addition / Subtraction Formula or a Double Angle Formula, and then evaluate…

A: Solving the problem by finding the value of the expression.

Q: Use the Law of Sines to find x. Let a = 85, ZA = 34.6°.

A:

Q: Create a diagram, then calculate values for the other basic trigonometric ratios to four decimal Cos…

A: Solved below

Q: Draw an equilateral triangle with sides of length 9. Draw in an altitude. What is the length of the…

A:

Q: 4. Use Regiomontanus' sine table to find the remaining angles in the right triangle if you know that…

A: Answers are following in explanation step.Explanation:

Q: In ABCD, the measure of ZD=90°, CB = 53, BD = 45, and DC = 28. What ratio represents the sine of ZB?…

A:

Q: Use AABC to find the trigonometric ratios. A V34 B 1. Tan B = 2. Cos B = 3. Sin A = 4. Tan A =

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Q: Find the exact value of the trigonometric expression below

A: Known fact: tanA+B=tan A+tan B1-tan A tan B

Q: Use a compound angle formula to rewrite cos(30) in terms of sinO and / or cose.

A: compound angle formula

Q: Find an angle 0 with 0° < 0 < 360° that has the same: Sine as 50°: 0 - degrees Cosine as 50°: 0 =…

A:

Q: II. Use the reference angle to evaluate the following trigonometric functions: a) sin 315° b) cot(-…

A: a). b).

Q: 11n 4. Use a compound angle identity to rewrite sin + cos( sin as one single cos 12 trigonometric…

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Q: Fill in the Trigonometric Ratios using the following figure: 29 21 sin O = Cos O = tan O 20

A:

Q: Which Law would you use to find AB? a) Sine Law b) Cosine Law c) Tangent ratio d) Sine ratio 26.3…

A: Topic  = Triangle Correct answer = b

Q: Find the remaining trigonometric ratios of θ if:

A: (39).  Given: cscθ=-135  and θ in third quadrant.

Q: Verify the identity:( tan θ cot θ) /csc θ= sin θ.

A: We have to verify the identity: tan θ cot θcosec θ=sin θ We know the formula of trigonometric…

Q: Describe the conditions that guide when it is appropriate to use the Sine Law, the Cosine Law, the…

A: Given data condtions  for using the sine rule,    the cosine rule  ,the sum of the interior Angle…

Q: Verify the identity: (tan 2θ + cot 2θ)/csc 2θ = sec 2θ

A: Given:          tan 2θ+cot 2θcosec 2θ=sec 2θ Solve;         Rearrange the given expression…

Q: Find csc θ if cot θ = −48/55 and sin θ > 0.

A:

Q: Examine this information: sec 0 = 13 12 and sin 0 < 0

A: given   secθ=1312   and given  sinθ&lt;0

Q: ) sine = 0

A: Use trigonometric equations properties