Five rational numbers between 021 and 024 are 21.1, 21.5, 22, 22.5, and 23. Rational numbers are those that can be expressed as a fraction of two integers, and all of these numbers fit that criteria. **

To calculate the tangent of 021 on a calculator, you would first need to ensure that your calculator is set to the correct angle mode (either degrees or radians). Then, simply input "tan(21)" or "tan(21°)" into the calculator and press the "equals" button. The calculator will then display the tangent of 21 degrees, which is approximately 0.3894. **

Orbot ensures anonymity and security by routing internet traffic through the Tor network, which encrypts and bounces the data through a series of relays to hide the user's IP address and location. This helps to prevent websites and online services from tracking the user's online activities. Orbot also allows users to access websites and services that may be blocked in their region, further enhancing their privacy and security online. Additionally, Orbot can be used in conjunction with other privacy tools, such as VPNs, to provide an extra layer of protection. **

It is important to respect the privacy and security of a deceased person's phone. Bypassing the security PIN without proper authorization is not only unethical but also illegal in many jurisdictions. Instead, it is advisable to contact the phone's manufacturer or service provider and follow their procedures for accessing the device in accordance with the law. Additionally, seeking legal advice and obtaining the necessary permissions from the appropriate authorities may be necessary in order to access the phone lawfully. **

One can bypass a firewall using tunneling by creating an encrypted connection between the client and a server outside the firewall. This can be achieved by using protocols such as SSH, VPN, or SSL/TLS to create a secure tunnel through the firewall. Once the tunnel is established, the client can send and receive data through the encrypted connection, effectively bypassing the firewall restrictions. However, it's important to note that bypassing a firewall using tunneling may violate network security policies and could lead to serious consequences. **

Bypassing a firewall that blocks VPN can be challenging, but there are a few potential methods to try. One option is to use a different VPN protocol that may not be blocked by the firewall, such as SSTP or L2TP/IPsec. Another approach is to use an obfuscated VPN service that disguises VPN traffic to make it appear as regular internet traffic. Additionally, you could try using a proxy server or Tor to access the internet and bypass the firewall restrictions. It's important to note that attempting to bypass a firewall may violate network policies and could have legal implications, so it's essential to consider the potential consequences before attempting to bypass the firewall. **

One of the browsers known for its strong focus on security and privacy is Mozilla Firefox. It offers features such as tracking protection, enhanced password management, and strict privacy settings to help users protect their online data. Firefox also has a strong track record of actively advocating for user privacy rights and regularly updating its security measures to keep users safe while browsing the internet. **

Smartphones that are better in terms of security and privacy are those that receive regular security updates from the manufacturer, have strong encryption features, and offer robust privacy settings. Some of the top smartphones known for their security and privacy features include the iPhone with its strong encryption and regular iOS updates, Google Pixel with its timely security patches and privacy controls, and Samsung Galaxy devices with their Knox security platform and Secure Folder feature. It's important to also consider using secure messaging apps and enabling features like biometric authentication and two-factor authentication for added security. **