kellerpaula kellerpaula

22-03-2020
Mathematics

contestada

Trigonometry
Special Right Triangles
Find the exact value of cos 60* - cot 30* - cot 90*.

Respuesta :

amna04352 amna04352

22-03-2020

Answer:

½ - sqrt(3)

Step-by-step explanation:

cos(60) = ½

tan(30) = 1/sqrt(3)

cot(30) = sqrt(3)

tan(90) is undefined

cot(90) = 0

½ - sqrt(3) -0

½ - sqrt(3)

Answer Link

Otras preguntas

Para-aminobenzoic acid (paba), p-h2nc6h4(cooh), is used in some sunscreens and hair conditioning products. Calculate the ph of an aqueous solution with [paba] =

PLEASE HELP HISTORY WORK I GIVE BRAINLIEST TOO. It's just matching the letter to the number and it is from real history.

PLEASE HELP ME Who is the best confidant in Romeo and Juliet? A. The Nurse B. Fair Lawrence give 4 reasons why they are the best confidant

Chose the best definition for the bolded word in the passage: A comforts and conveniences B prey; something to be hunted C concerns, qualms D dining hall

example of colonisation

state 2 gases used for combustion

is the quality of our life better today than in the past?

Find all solutions of the recurrence relation an = 5an−1 −6an−2 2n 3n. (hint: look for a particular solution of the form q n2 n p1n p2, where q, p1, and p2 are

Can someone please tell me what is the food and language of the native Americans.

Given that f ( x ) = x 2 − 4 x − 12 f(x)=x 2 −4x−12 and g ( x ) = x − 6 g(x)=x−6, find ( f ⋅ g ) ( x ) (f⋅g)(x) and express the result in standard form.