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Osunsanya Y.

Graduate Student

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Trigonometry

TutorMe

Question:

Prove SinA CscA - Sin^2A= Cos^2A

Osunsanya Y.

Answer:

(According to reciprocal identities, 1/sinA=CscA) SinA (1/Sin A)- Sin^2A =1 - Sin^2 A (this is similar to the Pythagorean theorem trig identity( Sin^2A+Cos^2A=1)) =Cos^2 A

Biology

TutorMe

Question:

What is the role of the rough endoplasmic reticulum compared to the smooth endoplasmic reticulum?

Osunsanya Y.

Answer:

Rouch endoplasmic reticulum contains ribosomes and it functions to permit the translation of protein that has been destined for secretion while the smooth ER lacks ribosomes and it helps in detoxification and lipid synthesis.

Algebra

TutorMe

Question:

add 3x^2 + 2x + 3 and 5x^2 - 7x

Osunsanya Y.

Answer:

Start by combining like terms together first then simplify =3x^2 +5x^2 +2x- 7x + 3 =8x^2-5x+3

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