annatoncheva11 annatoncheva11

04-05-2020
Mathematics

contestada

Can anyone help me on this task sin75°.cos75°=

Respuesta :

Chelboy Chelboy

04-05-2020

Answer:0.25

Step-by-step explanation:

Sin75.cos75

From trigonometric identity we know that: sin2x=2sinxcosx

sinxcosx=(sin2x) ➗ 2

Sin75cos75=(sin(2x75)) ➗ 2

Sin75cos75=(sin150) ➗ 2 but sin150=0.5

Sin75cos75=0.5 ➗ 2

sin75cos75=0.25

Answer Link

lucasella lucasella

04-05-2020

The answer is attached.

Ver imagen lucasella

Answer Link

Otras preguntas

During a strength training workout, a rest period of ________ minutes is recommended between exercises that use the same muscle groups.

Which of the following would be covered by a home insurance policy? Question 5 options: Hospital expenses for surgery Wind damage to your roof Accidental injury

heeeeeyyyyy someone can aswer plz? Thx

What is a redo what is barrel racing

Can someone help me Expand 3(z+2)

A manufacturer produces cell phone she estimates that by selling them for x dollars she will be able to sell them for 285 minus 2X each week determine what the

This question: 1p Find the surface area of the prism.

what is a expression representing the product of 17 and c

Which of the following is an example of Balkanization? Please Help!!!

PLEASE HELPPPPPPPThe maimum or minimum is also called the extreme value of the equation. What are the coordinates of the extreme value on your graph. use the po