Problem 4: Find sin(2x), given cos x = , and sin x > 0. Do not use a calculator.

Q: Refer to the right triangle in the figure. If, BC = 2 and the angle a = 70°, find any missing angles…

A: we will find the required.

Q: x mi h (a) Express the height of the space shuttle as a function of the angle of elevation h = mi…

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Q: Give the smallest two solutions of cos(5θ) = -0.7773 on [ 0,2π). Separate the two solutions with a…

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Q: Find all exact solutions on the interval [0, 2π). If there is more than one answer, enter them as a…

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Q: Outside temperature over a day can be modelled using a sine or cosine function. Suppose you know the…

A: Topic = Trigonometry

Q: Find all exact solutions on the interval [0, 2pi). If there is more that one answer, enter them as a…

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Q: Find the length of the braces (in inches) needed for the rectangular supports shown in the figure.…

A: Given query is to find the length of the braces.

Q: Cos 0 = 4 7' 270° <0 < 360° al place) a

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Q: Can someone help me step by step on finding cot(arccos(x))? Thank you

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Q: In the circle below, the radius is 14 inches and the length of the subtended arc is 7/3 inches. 14…

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Q: X Jus 45 LO 45

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Q: The following involves a trigonmetric equation in quadratic form. Solve the equation on the interval…

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Q: A cable is connected to two trees that are 12 meters apart. One end of the cable attached to the…

A: Pythagorus theorem states that (Base)2+(Height)2=(Hypotenus)2  for a right angle triangle.

Q: separated

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Q: Find the solutions in the interval [0, 2π). (Enter your answers as a comma-separated list.) csc cot…

A: Topic = Trigonometry

Q: If the angle is in standard position and P(x, y) is a point on the terminal side of 0, and r is the…

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Q: Find all solutions to the equation Sinx-cosx= sqrt2

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Q: (b) Solve sin 2x+ cos2x = sin² x+1 for 0≤x≤ 2π.

A: sin2x+cos2x=sin2x+1 Substitute the trigonometric identities  sin2x=2sinx cosx  and cosx=1-2sin2x to…

Q: 8. secx = 2, z in Quadrant IV

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Q: Figure B variable (deg) Value a (m) 67.4 4 a B

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Q: Find the area of the triangle if b = 10 inches, c = 15 inches, and y = 94. Round to the nearest…

A: Given query is to find the are of the triangle.

Q: find t and the terminal point determined by t for each point in the figure. In exercise 21, t…

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Q: If 90≤ θ ≤ 270 and sin(θ) = 0.72 What is the angle of θ? Find a postive and negative angle that is…

A: Given:- 90≤ θ ≤ 270  sinθ= 0.72

Q: 27m 55m 121° 60m Find all the missings sides and angles 35m

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Q: Describe the transformation of the given trigonometric function. A) y = -3 sin(z + ) - 2 □□□0 B) y =…

A: Given:  A) y=-3sinx+π6-2  This is in the form AsinBx-C+D Here A is Amplitude          B is Period…

Q: tch the polar equation with the graphs labeled I-VI. Use the table to help you. r = sin(40) OX III…

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Q: sin 0 cos tan 0 csc 0 sec 0 cot 0 F1 6 F2 4 F3 3 000 000 F4 2 F5 S F6 F7

A: See the details solution in below

Q: Finding the Component Form of a Vector In Exercises 13-24, find the component form and the magnitude…

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Q: secx-1 1 - cos x <= secx

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Q: (c) Prove that cos 35°+cos 45°+cos 75°+cos 85° = 2 cos 5° cos 20°.

A: Formula used: cosx+cosy=2cosx+y2cosx-y2cos(-x)=cosx

Q: Let be the measure of an angle in standard position. Find an angle coterminal with 0 under the given…

A: Concept: Angles with the same starting side and a common terminal side are said to be co-terminal.…

Q: Find the area of the triangle if b Area a b Y in² 9 inches, c 12 inches, and a = 10°. Round to the…

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Q: The altitude of a cone is 5 cm. A plane 2 cm from the vertex of the cone is parallel to the base of…

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Q: - Write the polynomial as a product of linear factors. f(x) = x2 − x + 72 f(x) =    Find all the…

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Q: Find the volume of the figure (in cm³). 22.4 cm cm 3 41.5 cm 41.0 cm

A: The figure is of rectangular pyramid.Height=41 cmbase width=22.4 cmbase length =41.5 cm.

Q: 7I3 2 in What is the exact area of the triangle? A= 23 X square inches

A: Area of the triangle =12×Base×Height

Q: Solve the equation. Give a general formula for all the solutions. List six solutions. 2√3 ·2-23/³-2…

A: To solve the given trigonometric equation.

Q: Use the unit circle to match the values on the right side with the functions found on the left side.…

A: The angle of the complete unit circle is: 360°  or   2π

Q: Find the exact value of t cot (sin-¹())

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Q: √2 √2 2 2 The variable t is a real number and P= values of the six trigonometric functions of t. 1…

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Q: let cosA=7/25 with A in QIV and sinB=-8/17 with B in QIII Find the exact value of sin(2A)

A: Given:- We use sin2θ+cos2θ=1⇒sinθ=±1-cosθand ⇒cosθ=±1-sinθ Also sin2θ=2sinθcosθ

Q: In the figure below, find the following. (Round your answers to three significant digits.) (a) the…

A: Given query is to find arc length, area of sector and the segment.

Q: Given sin O O O 29 tan > 0, calculate the value of sec 0. 20 21 21 29 29 20 21 20 20 29 21 and

A: Given:- sinθ=-2029 ,tanθ&gt;0

Q: tan (x-7)+ +1=0 2

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Q: You are standing on an elevated observation platform 270 feet away from a tree on which you spot a…

A: NOTE: Refresh your page if you can't see any equations . from the given data make a figure

Q: Find the tangent line approximation 7 to the graph of f at the given point. Then complete the table.…

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Q: Establish the identity (Cos3x/sinx) + (sin3x/cosx) = 2cot2x The arguments in cos and sin is read…

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Q: sin2theta = 3cos2theta a. Find all solutions of the equation b. Find the solutions in the interval…

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Q: Using clear notation to define each inverse trigonometric function, and clearly presenting any…

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Q: Simplify the expression by using a Double-Angle Formula. (a) cos² (38°) - sin² (38⁰) (b) cos² (70) -…

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