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Find the length of the hypotenuse of a right-angled triangle using i) Pythagoras Theorem ii) Trigonometry. The triangle has sides of lengths 3cm and 4cm and an acute angle of 30 degrees.

Part iPythagoras Theorem states a2 = b2 + c2 , where a is the hypotenuse.Using this the lengths can be substituted into the equation as b and c, a2 = 3

ZS
Answered by Zaakir S. Maths tutor
2053 Views

How to form the imperfect subjunctive

For me, the easiest way of forming the imperfect subjunctive in Spanish is to firstly start with the 3rd person plural form of the preterite. Once you have this, drop the -ron ending of the verb. This bas...

ED
Answered by Emma D. Spanish tutor
1718 Views

Differentiate y = x^2 - 2x-3 + e^3x + 2ln(x)

The above function has several components with different rules on how to differentiate each of them. For each:(1) y = x2dy/dx = 2x This follows the general rule of differentiating polynomials: ...

JH
Answered by Jim H. Maths tutor
3780 Views

Describe the process of DNA replication.

The method in which DNA replicates is called semi-conservative replication. Firstly, DNA helicase catalyses the break down of the hydrogen bonds between the base pairs in the DNA molecule. This partially ...

LG
Answered by Lily G. Biology tutor
3190 Views

Briefly outline and evaluate normative social influence as an explanation for conformity. [4 marks]

Normative social influence (NSI) can be described as a desire to be accepted and/or liked by a group, which can lead a person to conform as this may be deemed as necessary to fit in with the group so that...

TD
23829 Views

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