Use your (correct to 2 decimál places). a) sin 17° b) cos 43° c) 4tan 21° d) sin 38° e) cos 17°

Q: Find the exact value using half-angle formulas. 7 sin (?/8)

A:

Q: What is the smallest positive degree angle measure equivalent to tan − 1 ⁡ ( 0.724 ) ?

A: Given :tan-1  0.724

Q: Approximate, to the nearest 0.01 radians, all angles in the interval [0, 27) that satisfies the…

A:

Q: Suppose an angle measures 2.32 radians. What is the related acute angle corresponding to this angle…

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Q: In Exercises 39–42, use a calculator to find the value of the acute angle 0 in radians, rounded to…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Express trigonometric ratio of the following angle in exact form sin 120o

A:

Q: If the terminal side of angle θ goes through the point (−2√13/13,−3√13/13) on the unit circle, then…

A:

Q: If the length of an arc of a circle of radius 7 is approximately 10.99 cm. What is the measure of…

A: Topic = Circle

Q: What is (cos(teta) + jsin(teta))n?

A:

Q: The radius of a circle is 7. What is the length of an arc that subtends an angle of 37 radians? 14

A: There are basically two equations for finding out the length of arc of circle; Length of an arc =…

Q: Find the exact values of the six trigonometric ratios of the angle 0 in the triangle.

A:

Q: A support wire 20 meters long runs from the top of a utility pole to a point on the ground 17 meters…

A: Given information, we can plot a diagram,

Q: To explain why, for any acute angle u, it is impossible for cos theta =  3.

A: we know that range of cosθ is -1 to 1 so, value of cosθ can't be equal to 3

Q: In Exercises 35–38, use a calculator to find the value of the acute angle 0 to the nearest degree.…

A:

Q: Find the length of an arc on a circle of radius 8 correspondings to an angle of 135∘. Arc length =…

A: Length of arc = (angle × 2πr )/ 360o

Q: A 25-ft ladder leans against a building so that the angle between the ground and the ladder is 65°.…

A: Here, AB is the ladder.AB=65∠ABC=65° We need to find the value of AC.

Q: What is the smallest positive degree angle measure equivalent to sin − 1 ⁡ ( 0.391 ) ?

A:

Q: A 28-ft ladder leans against a building so that the angle between the ground and the ladder is 79°.…

A: As per given question question  We have find heights of Building

Q: What is the angle of elevation of the top of the pole 10m high from an observer who is 10m away from…

A:

Q: A 22-ft ladder leans against a building so that the angle between the ground and the ladder is 74^∘…

A: The length of the ladder, l = 22 ft The angle between the ground and the ladder, θ = 74° To evaluate…

Q: If the angles are represented in degrees, find both angles sin(7x + 14) = cos(11x + 22) Angle 1:…

A:

Q: Suppose Ø is an angle such that •<ØLI and tan o- . what is sinø? hat is cosø?

A:

Q: If θ is an acute angle, solve the equation tan θ= 4/7. Express your answer in degrees, rounded to…

A: Solve the given problem.

Q: A guy wire 1273 feet long is attached to the top of a tower. When pulled taut, it touches level…

A:

Q: How does the value of sine and cosine relate to writing proofs about triangles?

A: Let, ABC be a right angle triangle as shown in the figure sine(θ) = a/h cosine(θ) = b/h

Q: A ramp leading to the freeway overpass is 210 feet long and rises 37 feet. What is the measure of…

A: let angle between ramp and freeway  θ

Q: use reference angles to evalute tan 210 degrees

A:

Q: In terms of the tangent of a positive acute angle, what is the expression for tan(7π/8)?

A: In the question it is asked to write acute angle expression for tan(7π8).

Q: Which set of radian angle measures is equivalent to sin^−1⁡(−1/2)?

A: The given question is taken from the trigonometry in which we have to find the radian angle of the…

Q: If θ is an acute​ angle, solve the equation tanθ=4/7. Express your answer in​ degrees, rounded to…

A:

Q: A triangle has a length of 38 cm and 42 cm on its two sides, and the angles opposite to these sides…

A: We have to find the length of the third side of the triangle.  We have that the length of the two…

Q: To 1 decimal point, what angle has a tan ratio of 0.2589?

A: To find θ in tanθ=0.2589

Q: A woman is standing on the ground at a point 78ft from the base of a building. The angle of…

A: We have given that woman standing o the ground at a point 78 ft from the base of the bulding.Angle…

Q: Approximate, to the nearest 0.01 radians, all angles in the interval [0, 27) that satisfies the…

A:

Q: What angle ( in radians ) is subtended from the center of a circle of radius 0.75 m by an arc of…

A: Let the angle is θ Given radius= r= 0.75 m Arc length = S= 0.80 m

Q: . What is the value of limuS0 ((sin u)&gt;u)? Does it matter whether u is measured in degrees or…

A: Limit:     S→0limsin uuThis is the required value of the given limit. So it doesn't matter.

Q: Verify that (sinA)² + (cosA)2 =1 for the angle measure. %3D mLA = 45° II II 2) 2.

A: Given  m∠A=45° To verify  sinA2+cosA2=1 The values here will be sin45°=22cos45°=22

Q: Determine the value of trigonometric ratios of special angles. 1. sin 30° = 2. tan 45 = %3D 3. csc…

A:

Q: Without a calculator, give a Q3 angle for θ that satisfies tanθ = √3/3

A: Given,          tanθ=33

Q: Use a coterminal angle to find the exact value of the exgression. De nt sin 750° O 2 O 23 3. 1/2

A: Given:   sin(750°)writing 750°=2×360°+30° sin(750°)= sin(2×360°+30°)we know that 360°=2πThen…

Q: Use Definition II to explain why, for any acute angle u, it is impossible for sin u = 2.

A: Given:  sin u=2Since sine function is bounded between…

Q: A boat starts off 28 miles directly west from the city of Morristown. It travels due south at a…

A:

Q: In terms of the tangent of a positive acute angle, what is the expression for tan(11π/8)?

A: Consider

Q: A 31-ft ladder leans against a building so that the angle between the ground and the ladder is 62°.…

A: Given: Length of the ladder is, l=31 ft. Angle between ladder and the ground is, θ=62°. The…

Q: What are the other five trigonometric ratios of 0 in a right triangle with cot 0 = 2? %3D 16

A:

Q: A 36-ft ladder leans against a building so that the angle between the ground and the ladder is 61°.…

A:

Q: What is the Length of the arc of the circle r = sin θ that remains outside of the cardioid r = 1 —…

A: According to question given thatr=sinθr=1-sinθ

Q: Suppose that is an angle in quadrant 2 and that - 119 cos y = Compute the exact value of cos - 169…

A: here we have to find the value of half angle. the solution is following.

Q: Use Rihegoeen Thearem < to find missing side 4 cm 5.71 cm B Set up and calculate the trigonometric…

A: Here, we need to find the length of the side AB using Pythagorean theorem and the trigonometric…

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.