itsme19 itsme19

10-05-2017
Mathematics

contestada

trig help ..............

trig help class=

Respuesta :

11-05-2017

sinA = 3/5
cosA = 4/5

cosB = 3/5
sinB = 4/5

sin(A+B) = sinAcosB + cosAsinB

= (3/5)(3/5) + (4/5)(4/5)
= 9/25 + 16/25
=(9+16)/25
=25/25
=1

therefore, the answer is B

Answer Link

Otras preguntas

Which of these answers best describes why antibiotic administration is inappropriate for most of the common upper respiratory tract infections?

Frankie's weekly budget includes a long-term goal of purchasing a car. he is saving $15 a week toward that goal. he is considering saving up his money to purcha

helpppp! pls! 10 points

Mitochondria transfer ________ energy from ________ to atp; chloroplasts transform ________ energy into the chemical energy of atp. food . . . light . . . nu

Jane has a checkbook balance of $68.00. She then writes two checks, one for $5.00 and one for $62.50. She also deposits $75.00. She then uses her calculator to

Mark, Taylor, & Brian's ages are consecutive whole numbers. Mark is the youngest, and Brian is the oldest. The sum of their ages is 111. How old is Taylor?

Identify the advantages of renting versus buying a home. tax benefits, lower repair costs, fixed mortgage payments, lower insurance costs

simplify: -7/3 - (-61/6)

Why do the soldiers tell jokes about the war, about the killing?

What is an interest group? (10) describe three different types of interest groups active in american politics. (15) what are some of the similarities these diff