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Using the Quotient rule, Find dy/dx given that y = sec(x)

d[sec(x)]/dx -->d[1/cos(x)] -->( [d[1].cos(x) - d[cos(x)].1] ) / [cos(x)]^2 -->[0.cos(x) - -sin(x).1]/ [cos(x)]^2 -->sin(x)/[cos(x)]^2 -->tan(x)sec(x) <-- Final Answer

RK
Answered by Rakib K. Maths tutor
4065 Views

Solve... 8x + 2 = 3x - 8

To SOLVE this equation means find what x = ? To do this we need to we need to follow 3 steps. FIRST: get all the x's on one side (remember that all operations must be done to both sides of the = sign). SE...

MP
Answered by Milly P. Maths tutor
4439 Views

How is an action potential transmitted across a cholinergic synapse?

Action potentials are depolarisations above the threshold level traveling along a neurone, communication often evolves the action potential being transmitted from one neurone to another, this is done via ...

HD
Answered by Harry D. Biology tutor
4599 Views

Explain and describe how vaccinations prevent illness.

Vaccinations involve introducing a small amount of dead or inactive form of a pathogen into the body. This stimulates white blood cells to produce complementary antibodies to destroy the pathogen. This is...

FS
Answered by Francesca S. Biology tutor
3546 Views

Simplify (2sin45 - tan45) / 4tan60

Here we are dealing with 2 concepts: trigonometry and surds.First i would make sure that the student is aware/can identify these trigonometry values.So sin45 = 1/√ 2, tan45 = 1, tan60 = √ 3Now i would ins...

SM
Answered by Safa M. Maths tutor
10624 Views

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