Which pair of angles has congruent values for the sin x° and the cos y°?


Asked by maham237 @ in Mathematics viewed by 339 People


Which pair of angles has congruent values for the sin x and the cos y?
A) 42;42
B)42;48
C)42;138
D)42;132

Answered by maham237 @



Sin x = cos (90-x)

eg sin 42 = cos(90-42) = cos 48

so the answer is B



Similar Questions

X = sin 1 2 θ , y = cos 1 2 θ , −π ≤ θ ≤ π

Asked by maham237 @ in Mathematics viewed by 335 persons

X = sin 1/2θ, y = cos 1/2θ, −π ≤ θ ≤ π(a) eliminate the parameter to find a cartesian equation of the curve.

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = 3 - 4 sin θ

Asked by maham237 @ in Mathematics viewed by 443 persons

Origin only x-axis only y-axis only No symmetry

The maximum value of sin x cos x is

Asked by admin @ in Math viewed by 456 persons

What is the maximum value of sinxcosx.

The greatest value of sin x cos x is

Asked by admin @ in Math viewed by 316 persons

The greatest value of sin x cos x is​

If tan x° = and cos x° = , what is the value of sin x°?

Asked by maham237 @ in Mathematics viewed by 356 persons

If tan x°= a divided by 4 and cos x°=4 divided by b, what is the value of sin x°? A.) sin x°= 4b B.) sin x°=b divided by a …

What relationship do the ratios of sin x° and cos y° share?

Asked by maham237 @ in Mathematics viewed by 432 persons

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = 2 cos 5θ

Asked by maham237 @ in Mathematics viewed by 402 persons

r = 2 cos 5θ How do we know? Can you share the explanation/steps?

Find the value of x and y in a triangle

Asked by admin @ in Mathematics viewed by 379 persons

Find the value of x and y in the triangles below

Y cos x 2

Asked by maham237 @ in Mathematics viewed by 312 persons

Implicit differentiation: ycosx=x^2+y^2 Derivative of both sides: =((y)(-sinx)+(cosx)(dy/dx)=2x+2y(dy/dx) =(-ysinx+cosx(dy/dx)=2x+2y(dy/dx) =cosx(dy/dx) - 2y(dy/dx) = ysinx+2x =(cosx-2y)dy/dx = ysinx+2x =dy/dx = (ysinx+2x)/(cosx-2y)

Using the graph of f(x) = log2x below, approximate the value of y in the equation 22y = 4.

Asked by maham237 @ in Mathematics viewed by 364 persons

Using the graph of f(x) = log2x below, approximate the value of y in the equation 22y = 5.

What is the approximate value of y − x?

Asked by maham237 @ in Mathematics viewed by 317 persons

What is the approximate value of y − x? (a.) 4.9° (b.) 6.2° (c.) 11.1° (d.)17.2° Its not A

Find the values of x and y that maximize the objective function p=3x+2y

Asked by maham237 @ in Mathematics viewed by 314 persons

for the graph. What is the maximum value?

How does the graph of y = a(x – h)2 + k change if the value of h is doubled?

Asked by maham237 @ in Mathematics viewed by 515 persons

The vertex of the graph moves to a point twice as far from the x-axis. The vertex of the graph moves to a point twice as far from the y-axis. …

Most viewed questions in Mathematics


Unit 6 similar triangles homework 2 similar figures answer key

Asked by maham237 @ in Mathematics viewed by 18341 persons


All things algebra unit 7 polygons and quadrilaterals answer key

Asked by admin @ in Mathematics viewed by 8141 persons


Gina wilson all things algebra 2016 answer key unit 11

Asked by admin @ in Mathematics viewed by 5764 persons



Unit 1 geometry basics homework 4 angle addition postulate answers

Asked by maham237 @ in Mathematics viewed by 3930 persons


Unit 6 exponents and exponential functions homework 8 answer key

Asked by maham237 @ in Mathematics viewed by 3247 persons


The manager of a vacation resort believes that the ages

Asked by maham237 @ in Mathematics viewed by 2918 persons



What is 271 403 rounded to the nearest ten thousand

Asked by maham237 @ in Mathematics viewed by 2780 persons


Unit 1 geometry basics homework 3 angle relationships answer key

Asked by maham237 @ in Mathematics viewed by 2572 persons


Homework 2 parallelograms

Asked by maham237 @ in Mathematics viewed by 2494 persons



Why would a prism beat a sphere in a competition?

Asked by maham237 @ in Mathematics viewed by 2473 persons


John wants to send a letter to peter

Asked by maham237 @ in Mathematics viewed by 2458 persons


An artist sells a painting for 20.50 but uses 5.75

Asked by maham237 @ in Mathematics viewed by 2423 persons



Unit 4 congruent triangles homework 1 classifying triangles answer key

Asked by maham237 @ in Mathematics viewed by 2414 persons


Unit 4 congruent triangles homework 2 angles of triangles

Asked by maham237 @ in Mathematics viewed by 2068 persons


Compare the values of the 2s and 5s in 55220

Asked by maham237 @ in Mathematics viewed by 1791 persons