kayp1love kayp1love

02-03-2017
Mathematics

contestada

How to verify identities using sum and difference?

Respuesta :

kaitlynj3481 kaitlynj3481

02-03-2017

use a sum or difference identity to find the exact value of cos without a calculator. to work this, we look at the 75° to see if its the sum or difference of any angles from our reference triangles.now plug in values from your reference triangles.

Answer Link

Otras preguntas

what colors are birds are attracted 2

Which of the following is equivalent to 3a + 4b – (–6a – 3b) ? A. 16ab B. –3a + b C. –3a + 7b D. 9a + b E. 9a + 7b

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward2) If a is negative,

What challenges did the californios face?

what are some reasons for limiting authority

how do u divide 16 by 3/5

I need a Amazon tribe name please! Need for Monday

how many books did Harriet beecher stowe write?

Which of the following oxides can dissolve in water to form a solution that would turn litmus indicator red in color? a. MgO b. K₂O c. CO₂ d. ZnO e. H₂O

Jonathan has been on a diet since January 2013. So far, he has been losing weight at a steady rate. Bases on monthly weigh-ins, his weight, w, can be modeled by