rayvonbarrios rayvonbarrios

12-02-2019
Mathematics

contestada

If the son 30= 1/2 then the cos 60 = ____

Respuesta :

jimrgrant1 jimrgrant1

12-02-2019

Answer:

cos60° = [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

Using the cofunction identity

• cos(90 - x)° = sinx°, hence

sin30° = cos(90 - 30)° = cos60° = [tex]\frac{1}{2}[/tex]

Answer Link

Otras preguntas

Use triangular trade as a sentence

The expanded form for 1,070,070

What perceptions do people from other countries have about Americans? What about misconceptions?

A diesel train left Abuja and traveled toward Johannesburg. A freight train left one hour later traveling 15 km/h faster in an effort to catch up it. After five

Arizona, New Mexico, and Nevada must honor the Indian Reservation treaties drawn up by the government for the Indian Nations.

how to find three consecutive integers whose sum is 336?

Find the limit as x approaches infinity of y=arccos(1+x21+2x2)y=arccos((1+x^2)/(1+2x^2))?

which is greater 3.5x104 power or 2.1x106 power

When acid comes into contact with calcite, the acid bubbles. How can geologists confirm that the rock towers are made of limestone?

The expanded form for 1,070,070