Selennella0 Selennella0

20-07-2016
Mathematics

contestada

Write the expression as either the sine, cosine, or tangent of a single angle.

sin 57° cos 13° - cos 57° sin 13°

Respuesta :

meerkat18 meerkat18

20-07-2016

There exists a trigonometric identity which states that,
sin (A - B) = sin A cos B - cos A sin B
This is very similar to the given expression with A equal to 57° and B equal to 13°. The simplified form of the angle is,
sin (57° - 13°) = sin 44°

Answer Link

Otras preguntas

1. What is 7.445 rounded to the nearest tenths? 2. What is 7.999 rounded to the nearest tenths? 3. What is $5.68 rounded to the hearts ones? 4. What is 10.49 ro

Search results for "A company made $4 million in the second quarter. This is 1/3 more then it made in the first quarter and 4/5 of what it made in the third qua

which aspect of a chemical reaction is affected by enzymes?

Divide 33 photos into 2 groups so the ratio is 4 to 7

what is the greatest possible product of a 2 digit number and a 1 digit number?? explain how u know

What is 3,256,423,865 rounded to the nearest million

Which measurement would be least likely to be written in scientific notation : # of stars in a galaxy, # of grains of sand on a beach, speed of a car, or popula

Calculate the number of moles 41.0 g of Ca(NO3)2 1.48 g of Ca(OH)2 3.40 g of CaSO4

what are all the factors for the number 8

how do you work this equation out?189 / 6 = (180 + _) / 6 = ( _ / _ ) + ( _ / _ ) = _ + _ = _