kellerpaula kellerpaula

22-03-2020
Mathematics

contestada

Trigonometry
Special Right Triangles
Find the exact value of sec 30* - sin 45* + sin 90*.

Respuesta :

amna04352 amna04352

22-03-2020

Answer:

2sqrt(3)/3 - sqrt(2)/2 + 1

Step-by-step explanation:

cos(30) = sqrt(3)/2

sec(30) = 2sqrt(3)/3

sin(45) = sqrt(2)/2

sin(90) = 1

2sqrt(3)/3 - sqrt(2)/2 + 1

Answer Link

Otras preguntas

An exercise machine with an original selling price of 1,275 is marked down by 20% . What is the sale price of the exercise machine?

HELP ASAP!!! WILL GIVE BRAINLEIST!!!

In at least one hundred and fifty words, summarize the argument Jefferson puts forth in the Declaration of Independence and the structure he uses to express his

A 7-pack of board games costs $42.84. What is the unit price? per game

1. A particular species of plant or animal a. Can grow and thrive anywhere c. Will adapt to the desert d. Will adapt to the Polar Regions

someone please help me i don’t know how to do this

Which number would make this number sentence true? 12 - (-3) = A. -9 B. 9 C. 15 D. -15

Would you want Empress Wu to be your ruler? Why or why not?Please help! I just need 3 main ideas for paragraph starters. For example,Yes1. ...... main idea2. ..

PLEASE HELP, will mark BrainlestHow would you say, I like to eat grapes on New Year’s Eve. I like to open gifts on Christmas day. My Aunt Lucy likes to eat roas

New York and Chicago are 800 miles apart. A train leaves New York for Chicago and travels at an average speed of 50 mph. Another train leaves Chicago for New Yo