What is tan90 value? The value of tan 30 is 1/√3. What is the value of Cosec 0? The value of cosec at 0° is the reciprocal of sin at 0°. How do you find the value of Cosec? Find the value of cosec(−1410∘) Therefore write 1410∘ as (4×2π−30∘) and proceed. Complete step-by-step answer: We […]
How do you know how many sig figs A number has?
How do you know how many sig figs A number has? To determine the number of significant figures in a number use the following 3 rules: Non-zero digits are always significant. Any zeros between two significant digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant. Are sig figs […]
Is it better to be upstairs or downstairs in an earthquake?
Is it better to be upstairs or downstairs in an earthquake? In an earthquake, the area immediately outside a building is the most dangerous place to be. The taller the building, the wider the danger zone. A basic rule of thumb is if you are inside, stay inside and if you are outside, stay outside. […]
What is another name for the celestial coordinate system?
What is another name for the celestial coordinate system? equatorial coordinate system. Save This Word! The coordinate system in which a celestial object’s position on the celestial sphere is described in terms of its declination and right ascension, measured with respect to the celestial equator. What is the most common celestial coordinate system? equatorial coordinate […]
Who has lived in Windsor Castle?
Who has lived in Windsor Castle? Her Majesty The Queen Are there tunnels under Buckingham Palace? A series of secret tunnels run beneath Buckingham Palace. When the Queen Mother and King George VI descended into the tunnels, they apparently met a man from Newcastle living in the tunnels. The palace garden is the largest private […]
Can copper wire be used as a heating element?
Can copper wire be used as a heating element? Copper is a good conductor of heat. This means that if you heat one end of a piece of copper, the other end will quickly reach the same temperature. Most metals are pretty good conductors; however, apart from silver, copper is the best. Why is copper […]
What are the main sources of error in enthalpy experiments?
What are the main sources of error in enthalpy experiments? Sources of error Likely sources of experimental error in this experiment include improper mixing, the placement of the thermometer bulb onto slowly dissolving solids, incorrect reading of the thermometer, not enough thermometer readings, and spillages. The most probable sources of error are the first two. […]
What pattern do most stars follow?
What pattern do most stars follow? Stars rise in the northeast and set in the northwest, moving in counter-clockwise circles around a point that’s high above the northern horizon: Half-hour time exposure facing north and slightly west, from the same location as the previous three photos. Do Stars patterns? The patterns of stars seen in […]
How do you calculate work done efficiency?
How do you calculate work done efficiency? The work efficiency formula is efficiency = output / input, and you can multiply the result by 100 to get work efficiency as a percentage. This is used across different methods of measuring energy and work, whether it’s energy production or machine efficiency. What is the difference between […]
Why is there a delay when changing channels?
Why is there a delay when changing channels? When there is a delay while changing channels before a picture appears, it is likely that the Set Top Box is having trouble locating a signal due to weak signal strength. How do I change channels without a remote? How to Change the TV Channels Without a […]