krpSwsrrashton krpSwsrrashton

24-04-2017
Mathematics

contestada

Which of these pairs are equal?
a.sin 49° and sin 51°
b.sin 33° and cos 57°
c.cos 28° and sin 72°
d.cos 14° and cos 76°?

Respuesta :

Beginner123 Beginner123

24-04-2017

Automatically take out a and d
C can't be since 28 + 72 = 100
Your answer is B. 57 + 33 = 90

Answer Link

Otras preguntas

50 points!!!! Which of the following is TRUE about the purpose of the Monroe Doctrine in "America's Place in the 21st Century World"? A The purpose was to invo

During an isothermal process one mole of a monoatomic gas did 3000 J of work on its surrounding. The final volume and pressure of the gas are 25 L and 1 atm, re

It is thought that not as many Americans buy presents to celebrate Valentine's Day anymore. A random sample of 40 Americans yielded 22 who bought their signific

Two fair dice, one yellow and one blue, are rolled. The value of the blue die is subtracted from the value of the yellow die. Which of the following best descri

Place the following in order from smallest to largest. tributary river systemriver

A historian is looking to study the political causes for a particular city's rapid development.

What is the coefficient of x in 2x + 5 = 8

Under a perpetual inventory system, acquisition of merchandise for resale is debited to the Cost of Goods Sold account. the Supplies account. the Inventory acco

I don't need it nowthanks

1. Choose the word most nearly opposite in meaning to - exigent strenuous light easy difficult 2. Political geography can be ---- changed overnight as a result