b 40° A B

Q: A maple tree is growing crooked. Rather than growing perfectly upright it is leaning at an angle of1...

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Q: Use a calculator to approximate sec 4.   -1.3213

A: Concept: The trigonometric ratio are ratios, sine, cosine, tangent, cosecant, secant and cotangent. ...

Q: Find the supplement of each of the following angles 900

A: Two angles are supplementary angles if they add upto 180°. this means, ∠A+∠B=180° Where ∠A and ∠B ar...

Q: Evaluate without using a calculator.     sin    -1 ( sin 225 0)

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Q: If +a= a(2 cos 0 cos 20) and y=a(2 sin0 sin 20),show that (z² + y² + 2az) = 4a² (z² + y²). %3D

A: Given that, x+a=a2cosθ-cos2θ⋯⋯1y=a2sinθ-sin2θ⋯⋯2 Squaring both sides of (1) and (2) and adding, x+a2...

Q: Graph one complete cycle of each of the following. In each case, label the axes accuratelyand identi...

A: The given function is y=-2+2sin4x. Note that maximum value of the above function is 0  and  minimum ...

Q: Find all solutions on the interval  [0, 2π).  Look for opportunities to use trigonometric identities...

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Q: If sin theta = -4/7  find cosec theta

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Q: Use a calculator to find each of the following. Round all answers to four places past thedecimal poi...

A: We have to find value of sin56°40'. We will convert degree minutes into degree. 56°40'=56°+40'60=56°...

Q: Find cos 75 degree

A: We have to find value of cos75°. cos75° can be written as cos75°=cos45°+30° We have identity cosa+b=...

Q: Distance Between Two Planes Two planes leave an airport at the same time. Theirspeeds are 130 miles ...

A: Given that   Two planes leave an airport at the same time. Theirspeeds are 130 miles per hour and 15...

Q: Solve triangle ABC. (If an answer does not exist, enter DNE. Round your answers to one decimal place...

A: To solve triangle ABC.  Given side a=73.3∠B=63°∠C=86°

Q: Solve each equation for x if 0 <= x , 2p. Give your answers in radians using exact valuesonly.   ...

A: Given: 4sin2x+4cosx-5=0; x∈[0,2π) we know that sin2x=1-cos2x

Q: Use a calculator to approximate the value of an inverse trigonometricfunction.

A: Given information: Use a calculator to approximate the value of an inverse trigonometricfunction.

Q: Find all exact solutions on  [0, 2π). (Enter your answers as a comma-separated list.) 2 tan2(t) = 3...

A: 1. The given equation is 2tan2t=3sect. Solve the above equation as follows.  

Q: Find all of solutions for the following equation. 3. cos x = 2.

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

Q: Identify the argument of cos 4x.

A: we know that in cosθ argument is θ similarly, in cos4x argument will be 4x

Q: Evaluate without using a calculator or tables. cos (arctan   3)

A: Concept: The trigonometric ratio are ratios, sine, cosine, tangent, cosecant, secant and cotangent. ...

Q: Sketch the graph from x = 0 to x = 4p.       y = sin  x - cos x

A: Given function y=sinx-cosx.  

Q: Charleston, South Carolina and Toronto, canada are 1,100km apart and lie on the same north-south lin...

A: The distance between two cities can be found using the formula , where s is the distance between cit...

Q: The minute hand of a clock is 1.2 centimeters long. To two signi-ficant digits, how far does the tip...

A: Given, the minute hand of a clock is 1.2 centimeters long.

Q: Solve the equation algebraically, and then use a calculator to find the values on the interval  [0, ...

A: Given equation is 7sin2x+sin2xsecx-7=0. We know that secx=1cosx And sin2x=2sinxcosx. Using the above...

Q: Find all solutions on the interval  [0, 2π). Look for opportunities to use trigonometric identities....

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Q: Evaluate without using a calculator.     sin    -1 ( sin pi/6)

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Q: Determine the number of significant digits in each value   a. 1,234 b. 1,234.00 c. 0.01234 d. 12.34

A: Given that: a. 1,234 b. 1,234.00 c. 0.01234 d. 12.34

Q: Let x = 30 0 and y = 45 0 in each of the expressions that follow,and then simplify each expression a...

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Q: Solve the equation algebraically, and then use a calculator to find the values on the interval  [0, ...

A: The given equation is 7sin2x+sin2xsecx-7=0. Solve the above equation as follows. 7sin2x+sin2xsecx-7=...

Q: Draw each of the following angles in standard position, find a point on the terminal side,and then f...

A: Given: The angle -45°.

Q: Use a calculator to find each of the following. Round all answers to four places past thedecimal poi...

A: Evaluate: tan45∘19'

Q: Eliminate the parameter t but do not graph.   x = cos 2t, y = cos t

A: We have to eliminate the parameter t: x=cos2t,y=cost We know the identity, cos2x=cos2x-sin2x=cos2x-1...

Q: An identity is an equation that is ______ for all replacements of the variable forwhich it is ______...

A: We have to fill in the blank.

Q: In polar coordinates, r is the ________ ________ on the terminal side of an angle uwhose vertex is a...

A: The given statements is "In polar coordinates, r is the ________ ________ on the terminal side of an...

Q: Use your graphing calculator to determine if each equation appears to be an identity bygraphing the ...

A: sec2x=sec2xcosec2xcosec2x+sec2x Now, graph the left side of the expression sec2x and sec2xcosec2xcos...

Q: Show that each of the following is true. cos (180 degree - theta ) = - cos theta

A: cos(180°-θ)=-cosθ

Q: Graph the equation r = 2 cos 2u + 3 sin u using your graphing calculator in polarmode.

A: The given equation is r=2cos2u+3sinu. Sketch the graph of the equation as shown below.  

Q: 13. (a) cos (b) sec 3 (c) sin (-) (1) ese(-) 14. (a) tan (c) cot 15. (а) сos 6. (b) csc (c) tan 6. 1...

A: Hi there, at a time we can answer only one question and the exact one was not specified. So, I have ...

Q: Write the expression as sin, cosine, or tangent of an angle cos( 5pi/7) cos(2pi/5)-sin(5pi/7)sin(2pi...

A: Consider to given trigonometric expression, cos5π7cos2π5-sin5π7sin2π5 Use the trigonometric Identity...

Q: Cable Car Drive System The current San Francisco cable railway is driven by two14-foot-diameter driv...

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Q: A person standing on the earth notices that a 747 Jumbo Jetflying overhead subtends an angle of 0.45...

A: Given: A person standing on the earth notices that a 747 Jumbo Jetflying overhead subtends an angle ...

Q: Graph one complete cycle of y = 1/2 sin 3x. State the amplitude and period.

A: Graph of y=12 sin3x. Also to determine amplitude & period.

Q: Verify that each point lies on the graph of the unit circle. (0,-1)

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Q: Use the even and odd function relationships to find exact valuesfor each of the following.   cosec (...

A: We have to find value of cosec-225°. We know that cosecx is odd function. Therefore, cosec-x=-cosecx...

Q: Find sin (-theta)

A: