archerests archerests

01-06-2021
Mathematics

contestada

Use angle addition formula to find the expression for cos(a+b). Use the same formula to
find cos(a+a).

Respuesta :

01-06-2021

Answer:

we have

Cos (a+b)=Cos aCosb-SinaSinb

for

Cos (a+a)=Cos aCosa-SinaSina=Cos²a-Sin²a

is a required answer.

Answer Link

urmm0000 urmm0000

01-06-2021

What they said!!!!!!!!!!!!

Answer Link

Otras preguntas

10) Which best describes the end of the war in Europe?

The tendency to search for and use information that supports our ideas rather than refutes them is known as.

A common-law defense to workplace accidents is that employees ___________ assume the risk inherent in the work.

How was william randolph hearst true to his word after he sent frederick remington a famous message about inciting war with spain?.

Which media technology provided the greatest challenge to traditional newspapers between the 1940s and 1980?.

What features of “Paul Revere's Ride” best support the answer to Part A?

Ben start walking along a path at 2 mi/h. one and a half hours after ben leaves, his sister jen begins to jogging along the same path at 7mi/h. how long (in hou

The molar mass of a gas is determined as in the experiment described in experiment 8. The mass is determined to be 2. 01 g. The volume of the water, which is eq

In the black hawk war, white forces attacked indigenous americans as they surrendered and retreated. True or false?.

An example of incomplete construction information potentially contributing to market failure is.