Why 44 do you then substitute the x in the sin(4x)°
To sin( 4(11))?
The answer is 44 degrees
The two acute angles are complementary, so
4x + 3x+13 = 90
7x = 77
Now finish it off
A right triangle has exterior angles at each of its acute angles with measures in the ratio 13:14. Find the measure of the smallest interior angle of the triangle. 40 (degrees) 50 (degrees) 130 (degrees) 140 (degrees) Please help? Thanks
Write the trigonometric expression in terms of sine and cosine, and then simplify. 1). (csc θ − sin θ)/(cos θ) ____________. 2). Simplify the trigonometric expression. (cos u + 1)/(sin u) + (sin u)/(1 + cos u) ______________.
The expression 4 sin x cos x is equivalent to which of the following? (Note: sin (x+y) = sin x cos y + cos x sin y) F. 2 sin 2x G. 2 cos 2x H. 2 sin 4x J. 8 sin 2x K. 8 cos 2x Can someone please explain how to do this problem to me?
Classify the triangle by its angles and sides. obtuse isosceles equiangular equilateral acute isosceles acute scalene 2 of 10
Which of the statements about the picture below is true? Choose 3. postimg(.)org/image/qb71bjkjh/f11870c4/ A. F is the circumcenter of the triangle
if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x-15, the triangle is 1)an isosceles triangle 2)a right triangle 3)an acute triangle 4)an equiangular triangle
Given that sin(a) = 2/3 and cos(b) = −1/5, with a and b both in the interval [𝜋/2, 𝜋), find the exact values of sin(a + b) and cos(a − b).
Let r(t) = < sin(6t), cos(6t), sin(6t)cos(12t) >. Find the point where r(t) intersects the xy-plane on the interval π/6 < t < 3/12π.
Unit 2 Lesson 4, Types of Triangles Practice, math 6B, school year 2021-2022 answers. Only use this to check your work: 1. Select the correct classification for the triangle shown below. Answer: isosceles Explanation: This triangle is an isosceles triangle
write each of the following as trigonometric ratios of acute angles. (a)sin160 degrees (b)cos 310 degrees (c)tan 200 degrees
1. What is the correct classification for the triangle shown below? A triangle has two angles measuring 68 degrees and 22 degrees. (1 point) acute, scalene acute, isosceles --- right, scalene obtuse, scalene 2. What is the value of x in the triangle? A
he drawing shows an exaggerated view of a rifl e that has been “sighted in” for a 91.4-meter target. If the muzzle speed of the bullet is υ0 = 427 m/s, what are the two possible angles θ1 and θ2 between the rifl e barrel and the horizontal such that
The measures of the three angles of a triangle are given. Find the value of x and state whether the triangle is acute, obtuse, or right. x + 10, x − 20, x + 25 I got x is 55 and it is an acute angle. Is that correct?
Find the diameter of a circle with a central angle of 110 degrees and a segment measuring 8 ft. (To the extent possible use standard angles to simplify your responses. When necessary express your answers using the functions sin, cos, sin−1, cos−1. If
If cos cos A=3/5 and sinB=7/25,where A is acute and B is obtuse,find without using tables the value of Cos(A+B)
1)Find the exact value of cos 105 by using a half-angle formula. A)sqrt 2 - sqrt 3 /2 B)-sqrt 2 - sqrt 3 /2 C)-sqrt 2 + sqrt 3 /2 D)sqrt 2 + sqrt 3 /2 cos 105 cos 105 = cos 210/2 sqrt 1 + 210/2 sqrt 1 + sqrt 3/2 /2 sqrt 2 + sqrt 3/2 which is D 2)Find the
For the functions f(x) = sin x, show with the aid of the elementary formula sin^2 A = 1/2(1-cos 2A) that f(x+y) - f(x) = cos x sin y-2 sin x sin^2 (1/2y).
Find the values of the trigonometric functions of the acute angles of the right triangle ABC, given the other side is a =2 and hypotenuse is c= 2√5.
Find sin(2x), cos(2x), and tan(2x) from the given information. sin(x) = 5/13, x in Quadrant I sin(2x)? cos(2x)? tan(2x)? I honeslty just need one good example of how to do these please show all work and finalize answer
A right triangle has acute angles C and D. If tan C=158 and cos D=1517, what are cot D and sin C? cot D=8/15 and sin C=8/17 cot D=8/15 and sin C=15/17 cot D=15/8 and sin C=15/17 cot D=15/8 and sin C=8/17
You can ask a new question or browse existing questions.