namaalajmi7 namaalajmi7

21-09-2021
Mathematics

contestada

What is the value of cos 30° cos 90° - sin 30° sin 90°

Relax

Respuesta :

allianaeacepaws allianaeacepaws

21-09-2021

Answer:

--1/2 or -0.5

Step-by-step explanation:

Answer Link

Аноним Аноним

21-09-2021

Step-by-step explanation:

cos 30° cos 90° - sin 30° sin 90°

cos 30° = √3/2

cos 90°=0

sin30°= ½

sin 90°=1

= √3/2(0) -½(1)

=-½

Answer Link

Otras preguntas

A car is traveling at a rate of 54 miles per hour. What is the car's rate in feet per second? How many feet will the car travel in 10 seconds? In your compu

A firm obeys the least-cost rule by equating the ratios of ___________________ to the ________________ price.

An author writes a story about ten men who are lost at sea when a storm throws them off course. Which type of conflict does this story demonstrate? man vs. self

Solve the system of equations

How many joules of energy does it take to melt 35g of ice at 0.0c?

Which process results in two daughter cells each having the same number of chromosomes as the parent cell? a.meiosis b.mitosis c.cell cycle d.cytokinesis?

A decision based on who is harmed the least is an example of which type of decision making? Utilitarian Common good Virtues Fairness and Justice

Which sentence is punctuated correctly? "Are you finished yet, Miriam asked?" Are you finished yet, "Miriam asked?" "Are you finished yet"? Miriam asked. "Are y

Which composer had the nickname the "red priest" because of his early vocation and the color of his hair?

03 MC) Complete the sentence with the right color (remember that colors are adjectives and they agree with the noun). Les bottes __________ sont grandes.