jakaylathompson22 jakaylathompson22

04-03-2021
Mathematics

contestada

Given that sin 60° ≈ 0.866, write the
cosine of a complementary angle

Respuesta :

04-03-2021

Answer:

Step-by-step explanation:

Complement to 60° = 30°

cos(30°) = sin(60°) = 0.866

Answer Link

cwrw238 cwrw238

04-03-2021

Answer:

0.866.

Step-by-step explanation:

We use the identity

sin x = cos (90-x)

So the cosine of the complementary angle is also 0.866.

Answer Link

Otras preguntas

A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnS

A sound wave of 70 cm travels 840 m in 2.5 sec. What is the velocity and frequency of sound?

What's the term for: unwilling to bend; unyielding

The diameter of a cylinder is 6 feet 6 inches. The height of a cylinder is 12 feet 3 inches. What is the surface area? (feet squared)What is the volume?

explain why the motion of a body which is moving with constant speed in a circular path is said to be accelerated ?

What's the other word stubborn; inflexible

Liz wants to drink 1.5 litres of water each day. She buys the water in packs of 6 bottles. Each bottle contains 0.5 litres of water. How many packs of water do

A sound wave of 70 cm travels 840 m in 2.5 sec. What is the velocity and frequency of sound?

Amy raised £n for charity. Chris raised £18 more then any. The mean amount raised by the two of them is £45. Work out how much money each one of them raised

How to find the reference angle of -11pi/3 ?