2. Simplify. Then, give an exact value for each expression. A-0 aie 8 (b a) 2 sin 플 cos b) cos 풀 cos 표 + sin 풍 sin 표 0S nia 8 9. Angle x is in quadrant 1, ang the value of cach of the follow in quadrat sdt o tan 80° + tan 40° c) 1- tan 80° tan 40° d) 2 cos? 폭-1 ulev aldiesimog od

Q: If  alpha is a Quadrant IV angle with cos(alpha)=sqrt(5)/5 and sin(beta)=sqrt(10)/10, where…

A:

Q: the terminal side of angle θ in standard position passes through the point (−24‚11), then the value…

A:

Q: assume that all the given angles are in simplest form, so that if A is in QIV you may assume that…

A: Given  where A is in quadrant II

Q: Consider a right triangle with two other angles A and B.  Find the value of sin (A) if cos (A)=3/5?

A:

Q: Use the given conditions to find the exact values of sin(2u),cos(2u), and tan(2u) using the…

A:

Q: Suppose you know that, for a given right triangle and acute angle 0, cos(0) = 2/5. Give the exact…

A:

Q: 4 and sec B for a third-quadrant angle a and a first-quadrant angle B, find the following If sin a =…

A:

Q: assume that all given angles are in simplest form, so that if A is in QIV you may asssume that 270o…

A:

Q: What is cos A, if cos 2A , and 2A is an angle in the fourth quadrant? 16 13 13 16 16 13 13 16 no…

A: The solution of the problem is given in the next step.

Q: Given Cos = - , 90°LQ<186 2. So) puy

A: We will make use of the following trigonometric identity: cosθ = 2cos2(θ/2) - 1

Q: hich set of radian angle measures is equivalent to sin−1⁡(−12)?

A: arcsin-12  :  No Solution for x∈ℝReal domain for arcsinx is -1≤ x ≤1

Q: Given ?, a positive angle less than 2pi, fill out each of the following in terms of ?.     ? in QI…

A: Answer

Q: cos2θ

A:

Q: Given that cosa * and sing is negative, determine the value of tane. -15/8 15/8 8/15

A:

Q: If cos 0 = and 0 is an acute angle. exact value of sin 20 is A. 24 25 16 15.

A:

Q: which of the fllasing is no Pythagacan Idanhing つ A. I+ tan? 0 = sec? o B. Cos? o - Sina 8 =1 こ 2.…

A: NOTE: Refresh your page if you can't see any equations. . for the right angle, triangle use the…

Q: Which compound angle expression is equivalent to cosxcosy + sinxsiny? Question 22 options:…

A:

Q: Given that sin ca) =0.342 and sinß)=0.715 with both terminal vays in quadrant 1, find the following:…

A: we have to find

Q: Determine in which of the four quadrants angle 0 is located given sec(e) < 0 0 and tan(Ø) < 0 Answer…

A: The sign convention for trigonometric ratios is as follows:

Q: What is cos A, if cos 2A = 2, and 2A is an angle in the fourth quadrant? 16 13 13 16 no correct…

A:

Q: 23 Given the ordered pair P, determine the requested sin, cos, or tan of angle . P(5,5) tan0 =…

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Q: If in right AABC with right angle at C, cos B : then what is the value of cos A?

A:

Q: The following relationship is know to be true for two angles A and B:…

A:

Q: Given that is a third quadrant angle and what is the exact a COs a = - 5 value of sin(2a) 24 25 -7…

A: As we know that the trigonometric quantity : sin(2θ)=2sin(θ)cos(θ)

Q: How do you solve it and can you show me step by step

A: Draw a line AB. At the point A plot the protractor and draw 90 degree. At point B again plot the…

Q: Given that A is obtuse and B is reflex angles and sin A=12/13 and cosB=3/5 without using…

A: Trigonometry

Q: Let ? be an acute angle of a right triangle for which sec ? = 5/4, Find cos ?.

A:

Q: If a,ß are acute angles such that 4 cos a = and tan ß =, 5 find cos(a - B) 15 and sin

A: We have to find cosα-β and sinβ2

Q: Which of the 3 trigonometry functions has the largest value when evaluating angle A? (sin A,cos A ,…

A: Explanation of the answer is as follows

Q: If tan20 = cot(0+6°) where 20 and 0+6° are acute angles, what is the value of 0? *

A: This question is about trigonometry.  We will find here value of theta.

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: Which trigonometric expression is equal to 1+cos(2y). sin(2y) O cotty) O csc(y) O sec(y) O tan(y) 2…

A: We have to find out

Q: Suppose that , is an angle in quadrant 4 and that cos a = 7 Compute the exact value of 2 25 cos cos…

A:

Q: If a,ß are acute angles such 8 4 and tan ß =, find 5 that cos a = a. cos(a-ß) a b. sin 2

A:

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: 13T , then find exact values for the following: 6. If 0 = sec(0) equals csc(0) equals tan(0) equals…

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

Q: Question in image.

A: We have to find the value of cos(α + β) when sinα and tanβ are known.

Q: 9. Which set of radian angle measures is equivalent to sin (-)? 7T 4 等,号 좋, 풍 11T 6 7T 5T 6

A: sin-1-12

Q: () if both angles are in the same quadrant. Given sec(o) = 2, determine cos %3D 2 2

A:

Q: 2pq If sin A = ,where A is an acute p2+q² • angle of a right triangle, what is sec A? p² + q? p² +…

A:

Q: Through the simplification of The expression tan(sec-1x) Which of the following triangles will be…

A: We use the Pythagoras Theorem on right angled triangle.

Q: 1 point Find all 6 trig ratios for angle A 25m 9m B 16m sin A = 16/25, cos A = 9/25, tan A = 16/9,…

A: We have to find trigonometric ratio.

Q: he following statements is true for an angle of ard position? Only the tangent ratio would be…

A: Topic:- trigonometry angle

Q: 8 find the following. 15 13 If a and B are acute angles such that csc a = – and cot B = %3D 12 (a)…

A: Given: csc α=1312we know, csc α=1sin α  sin α=1213     so

Q: (5) Suppose that 2 is an angle in quadrant 2 and that cos B Compute the exact value of cos 25 Cos ||

A: To determine the value of cos (β/2).

Q: In AYES, mzE=90, If cos Y = a, Find sin A = choose your answer.

A: Given query is to find the indicated angle.

Q: In right ∆QRS, Angles Q and R are the acute angles. If tan Q = √51/7, determine cos R.

A: We have used the Pythagoras Theorem in this question.

Q: Given that ADEF is a right triangle and that ZE = 90° , which trigonometric ratio would be equal to…

A: Topic = Trigonometric ratios

Q: If sec ? =16/5, what is sin ?? Draw a triangle and give an exact answer. No decimal approximations.

A:

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.

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.