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For the pharmaceutical company to successfully price discriminate; the market must be split into two- both which have a different PED for the drugs. Consumers with inelastic price elasticity for drugs are...

Interest rates have an impact on the component of aggregate demand (AD) in an economy. AD is made up of consumption + investment + government spending + net trade. A rise in interest rates would mean cons...

A pathogen is a microorganism that causes a disease. The 4 main types of pathogen include: -viruses- eg. common cold, HIV- not alive because they do not complete the 7 life processes, made up of short len...

X-rays can be used to look at skeletons and find out whether a bone is broken. Gamma rays can be used to sterilise things such as food and medical equipment.

You can rearrange the equation to get 2cos^2(x)+2sin^2(x) = 2. This can be factorised to get cos^2(x) + sin^2(x) = 1 which is a known identity. We can use the fact that 2cos^2(x) = 2sin^2(x) - 2 and subst...