Complete the identity. cos?을-1 ? sece-1 2 sece -зес е-1 2 sece sece+1 2 sece O -sece+1 2 sece

Q: 48 Practice 21. A group of students wants to measure the width of a river. They set up a post P on t...

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A: Topic = Trigonometric ratios

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A: This question can be solved by applying ASA congruency.

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Q: For what value of θ (less than 2π) will the following equation be satisfied? sin2θ + 4sinθ + 3 = 0. ...

A: The given equation is; sin2θ + 4sinθ + 3 = 0.    

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Q: f(x) 250 :9B15 9 2F 6 27 21 6 27 4 2 4 :4: 2 4 - 250

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Q: 3. Use an inverse trigonometric function to write 0as a function of x. va -x

A: from figure, traingle is a right angled triange.sinθ =opposite sidehypotenusesinθ =xa

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A: NOTE: Refresh your page if you can't see any equations. . here we have  C=65 B=50 a=15 for the trian...

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Q: f-\(x) = sin='(x) а. 2'2 f-l(x) = cos-'(x) (-) b. 2' 2 f-|(x) = tan¬'(x) c. [0, n] f-(x) = cot"(x) d...

A: This is a problem of fundamentals of trigonometric identities. Please find the solution below. 

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A: The solution is given in the next step.

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Q: 12. In the figure, a circle is inscribed in a quadrilateral BCDE such that P, Q, R, S are the points...

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Q: Find all solutions to the equation sin x = −0.7 with −1 ≤ x ≤ 10

A: topic - inverse trigonometric functions

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A: topic - trigonometric expressions

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A: This question is based on LCM (least common multiple).

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A: I am attaching image so that you understand each and every step.

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A: A detailed solution is given below

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Q: sin A =  3 5 with A in QII, find the following. sec A 2

A: Given query is to find indicated angle.

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Q: What is the solution statement for all of the solutions of tan(0) = /3? B {0|0 = + 2mn, ne 1} + 2πη,...

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Q: tan(xy) + xy = 0

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A: As I think there is something missing. But still I tried to figure out the problem. 

Q: COSX y = xcosx

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Q: Prove cos4x=8cos4x-8cos2x+1

A: To prove:- cos(4x)=8cos4(x)-8 cos2(x)+1

Q: Complete the identity. sin 2x ? 1- cos 2x sin? x cot x cos? x tan x

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Q: solve the equation over the interval [0,2\pi ). 6tan(2x)-12cos(x)=0 x=_______

A: topic  -   Trigonometry 

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Q: 1. Standing on a level road 50 feet from the base of a billboard, the angle of inclination to the bo...

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