1 (a) Suppose A and B are two angles whose sum is 180 degrees. Show that chord2A and chord2B=4R2  where R is the radius of the reference circle.  Do you recognize this identity? How would one exprees it in modern times?

Q: 2. A giant west coast cedar leans at an angle of 85° to the horizontal. A man is lying down 70 m…

A:

Q: 2. A rocket is launching vertically upward from a point 2 miles east of an observer on the ground.…

A: Let's find speed of rocket.

Q: 2. a. A boy is flying two kites at the same time. He has (250+ 0) feet of line out to one kite and…

A: Note:  We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: [sin (21x) dx

A: ∫sin4(21x)dx Note- sin2x=1-cos(2x)2 and cos2x=1+cos(2x)2

Q: 1. Suppose yo degree angle How high is th

A: According to questions

Q: 5. Determine two angles between 0° and 360° that have a secant of - 4. Round your answers to the…

A:

Q: Is it possible to have a right triangle where sin 0 = 2.5? Explain how you know 4 8. 3. !!!

A:

Q: 26. / cor' u du = cor? и - In | sin ul + с

A:

Q: To close the blades of the scissors in this photo, you would have to close the handles. When you…

A: Here in the figure there is  a pair of scissors . We need to prove that angle between blades and…

Q: Q3) On a circle of radius 10 m, how long is an are that subtends a central angle of 4n/5 radians?…

A:

Q: The Leaning Tower of Pisa, which has a height of 55.86 m from base to top, is leaning to the…

A:

Q: An area of 63,600 sq.m is to be segregated from a golf field where property lines extend…

A: Consider this triangle. Let a, b, c be the length of the sides, and A, B, and C be the angles.…

Q: A cable man is looking down from the top of a telephone pole at an angle of 14°. The pole is 30 feet…

A: where , x= horizontal distance from the bottom of the pole

Q: Find the angles x such that sec x = 2.

A: Given: sec x = 2 To find: The angles x such that  sec x = 2.

Q: A rain gutter is to be constructed from a metal sheet of width 30cm by bending up 1/3 of the sheet…

A:

Q: Find the value of x using the property of outside angles (angles created by tangents and secants). |…

A: Use property of outside angle (angle created by tangent ans secant).

Q: 2. A bullet is fired at an angle of elevation of 36°. What is the muzzle speed if the maximum height…

A:

Q: Mo is on a baseball team and hears that a ball thrown at a 44 degree angle from the ground will…

A: Given, Mo is on a baseball team and hears that a ball thrown at a 44 degree angle from the ground…

Q: An airplane is flying at an altitude of 6000 m over the ocean directly toward a coastline. At a…

A: Form the right triangle and use trigonometric ratios.

Q: 21. Imagine the point (-, -) on the terminal side of an angle. Find the value for the cosecant of…

A:

Q: The top end of a ladder slides down a vertical wall as its bottom end slides across a horizontal…

A:

Q: Suppose that you are headed toward a plateau 22.8 meters high. If the angle of elevation to the top…

A:

Q: The standard formula for the tangent of the sum of two angles is tan(A + B) = (tanA+tanB)/tanAtanB)…

A: Using the identity:

Q: 37 such that sec(0) Find the angle 0 between ä and - V3

A: If you like the solution then please give it a thumbs up... The Answer is:            θ=7π6      In…

Q: It’s Pythagorean Theorem

A:

Q: 2. Evaluate tan 0 for angle shown. (-3,6)

A: We have to find the slope/tangent of given line.

Q: (2) Use the angle addition formulas and the even/odd identities to deduce formulas for angle…

A: Given data is : Use the addition formulas and the even/odd identities to deduce formulas for the…

Q: Mo is on a baseball team and hears that a ball thrown at a 45 degree angle from the ground will…

A:

Q: In building a tent, Jada ties a rope from the top of a pole 3 meters high to a stake that is 4…

A:

Q: How is the pythagorean theorem related to distance formula?

A: Consider the provided information, We know that the Pythagorean theorem is defined as, c2=a2+b2 So,…

Q: 2. Draw a triangle that you would need the tangent function to solve. Don't forget to indicate where…

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Q: Point C is located on AB such that the ratio of AC : CB is 3:2. What is the x-coordinate of C?

A:

Q: A telephone pole of height "h" is installed vertically on the side of a hill that makes an angle of…

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: Calculate the missing value. Use the Pythagorean Theorem!

A:

Q: Situation 4] Two tangents that intersect at an angle of 4X°40' are to be connected by a compound…

A:

Q: 3. The top and bottom of a five-foot high snowplow are to be attached to two steel braces of…

A: Given problem is :

Q: Apply the Exterior Angle Theorem 40° (2x+ 20)° X3D

A: Solution: The objective is to find the value of x

Q: 2. As Artemis Fowl's private jet approaches Heathrow airport, its horizontal distance from the…

A: as Artemis fowls private jet approaches airport the horizontal distance of the airport is 22 miles…

Q: 4. True or False: Sine is positive for all angle measures between 0° and 180°.

A: TRUE, sine function is positive in 1st  and 2nd quadrant. It means it is positive for 0 to 180o

Q: 2. The angle of depression from the tip of an airplane as it descends towards the landing strip is…

A: 2.

Q: Two circular oil spills in sydney harbour are tangent to each other. If the distance between the…

A: Given query is to find the radius of each spill.

Q: 4. The point (0.422,-0.907) lies at the intersection of the unit circle and the terminal arm of an…

A:

Q: How does the law of cosines generalize the Pythagorean theorem?

A: We have to show that the law of cosines generalize the Pythagorean theorem.

Q: Label the triangle angle 45 Sin 45= Tan 45= Label each side with H for hypotenuse, O for opposite…

A:

Q: 2. If (4,3) is the point on the terminal arm of angle 0 in standard position. a) calculate the value…

A: Given that 4,3 is the point on the terminal arm of angle θ in standard position.  To find the value…

Q: 2. A shopper is standing on level ground 800 feet from the base of a 250 foot tall department store.…

A: A shopper is standing on level ground 800 feet from the base of a 250 foot tall department store.

Q: Suppose that y is an angle with secy = and y is not in the first quadrant. Compute the exact value…

A: Given trigonometric function is secγ=97 We know that cosθ=1secθ So, we have cosγ=79

Q: 3. A 60 foot ramp of SM Cherry rises from the first floor to the second floor parking. The ramp…

A: A 60 foot ramp of SM Cherry rises from the first floor to the second floor parking. The ramp makes a…

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.