kalanivale999
kalanivale999 kalanivale999
  • 13-06-2020
  • Mathematics
contestada

If sin 30º = cos(2x), then x=

Respuesta :

TheLazyNobita
TheLazyNobita TheLazyNobita
  • 13-06-2020

Answer:

sin 30 = cos 2x

cos60 = cos 2x ( sin(90 - 60) = cos60)

2x = 60

x = 30

Answer Link
mhanifa
mhanifa mhanifa
  • 13-06-2020

Answer:

30°

Step-by-step explanation:

sin 30º = cos(2x)

sin 30º = cos (90°-30°)

⇒2x=60° ⇒ x=30°

Answer Link

Otras preguntas

The figure ABCD is made up of two different triangles.ABD is a right-angled triangle.AB=25 cm,AD=60 cm,BD=65 cm and CE=45 cm.Find the area of figure ABCD.​
What are the solutions for the given equation? X^2 + 4x + 16 = 0
which example of figurative language in act 1 of Romeo and Juliet stands out most? Why?
What is the best example of a complex character
the head of maintance at xyz rent a car believes that the mean number of miles between services is 4959 miles, with a standard deviation of 448 miles. what is t
When considering creditworthiness, which person is likely to pay the GREATEST credit card finance charges if they all charge the same amount each month on their
\sqrt{7}x\ (\sqrt{x}−7\sqrt{7})
Local television news networks cover only
Find the measure of the line segment GE. Assume that lines which appear tangent are tangent.
In our solar system six of the eight planets have moons what percentage of the planets have moons