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First draw the triangle for visual representation, it can often clear the problem in your head if its too difficult to visualise. Then write sohcahtoa and decide which function to use by highlight the val...

The product of the inside (3 and 5) and the product of the outside (2X+1 and 9) are equal to each other. Therefore 18X+9 = 15. Therefore 18X =6 and if we divide both sides by 18, we get X=1/3.

Evolution is the gradual change in the alleles of a species over time to make it more suited to its environment. Natural selection is when certain members of a population have an advantageous allele makin...

This question aims to make the difference between a mother tongue and the other languages spoken by an individual. Here, the aim is to make the student discuss the subtlety between the different languages...

Firstly, we use 'depuis' to describe an action that began in the past and continues into the present. It is formed with 'depuis' and the verb in the present tense. For example; "J'écoute de la mausiq...