whi8trebeCharyx whi8trebeCharyx

21-10-2016
Mathematics

contestada

Which pair of angle measures satisfy the condition sin J = cos K? A. 15°, 40° B. 45°, 90° C. 60°, 30° D. 80°, 100° E. 70°, 110°

Respuesta :

nobillionaireNobley nobillionaireNobley

31-10-2016

sin J = cos K
sin J = cos (90 - J)
K = 90 - J

sin 60 = cos (90 - 60) = cos 30

Therefore, 60°, 30° satisfy the condition sin J = cos K.

Answer Link

Otras preguntas

The word cardio refers to __________.

Coordinates of image (2,-4) after dilation with center of (0,0) and scale factor of 4

A lever has a mechanical advantage of 5.4. If you apply a force of 500 N to the lever, how much force does the lever apply to the object you are lifting?

Someone who takes stimulants is risking which of the following outcomes? A) amnesia B) relaxed C) excessive calm D) heart failure

(03.07 LC) Choose the equation of the horizontal line that passes through the point (−5, 1).

Earth is the only planet able to support what

The local gym has some rules about spotting. Which one of the rules is incorrect? A. All spotters must keep their eyes on the lifter during the lift. B. All spo

\"By 1914, _____ dominated almost eighty-five percent of the world's land area.\"

Which of the following is NOT true about storage body fat? A. Storage body fat acts as an insulator to the body. B. Storage body fat helps increase the effec

What is telecommunications?