GeorgineFarias GeorgineFarias

06-08-2014
Mathematics

Answered

Can anyone help???

simplify: cos(126°)cos(36°) + sin(126°)sin(36°)

Answer :

Everest2017 Everest2017

06-08-2014

cos A cos B + sin A sin B = cos (A - B)

given expression is = cos (126 - 36 ) = cos 90 = 0

Answer Link

Аноним Аноним

06-08-2014

A-b is the answer if u know how to simplify numbers similar to that

Answer Link

Other Questions

The state lottery board is examining the machine that randomly picks the lottery numbers. On each trial, the machine outputs a ball with one of the digits 0 thr

sociological theory is considered what?

Simplify the expression:[tex]\[ \frac{(x+3)^2}{(x-3)^2}=\frac{x-1}{x+1}+\frac{2(7x+1)}{x^2+2x-3} \][/tex]

Show your work.Solve for \( C \):[tex]\[ \frac{5}{30} = \frac{3}{C} \][/tex]

In his article “Critical Thinking: What Is It Good for? (In Fact, What Is It?)” Howard Gabennesch offers a definition of critical thinking: “Critical thinking i

is defined as a suitable product that whenconsumed orally either by a human or an animal does notcause a health risk to the consumer.Food inspectionFood safetyF

Here is the formatted response:Calculate \( 3[C] + 2[A] \) where:[tex]\[ [C] = \begin{array}{rrrrr} -6 & 2 & -6 & -1 & 0 \\ -10 & 9 &

How does the antireflective coating applied to the protective glass on a solar cell maximize the engery absorbed by the solar cell

What characteristic separated the operas of Mozart from those of his predecessors?A. Use of symphony formB. Sympathetic, flesh-and-blood charactersC. Improvisat

4*. Doris invests some money in a savings account.In the first year the annual percentage rate is 3%.In the second year the annual percentage rate is 2%.At the

In the cells prokaryotic and eukaryotic, which cell would best represent a bacterium?

What is 8 over 40 in simplest form?

what is 8 21/40 as a fraction or mixed number as a decimal

Which statement about the artist Michelangelo is not correct? A. He admired the classical past of Greece and Rome and the humanist ideals of the Renaissance. B.

How many squares are in this picture?

Ratios- coca cola has 65g sugars total. Equivalent amount of carrots: 1.383 kg or approx 3 lbs. so question asks "Use ratios to determine how many grams of sug

Which description best fits the term prairie? A. treeless with tall grasses that provide food and cover for animals B. rocky with steep cliffs, narrow canyons,

What does cuál es la fecha de hoy mean and how would I answer it

How many times does 70 go into 618

How does the newspaper help people to share ideas