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Tutor profile: Aditya B.

Inactive
Aditya B.
Mathematics faculty for 5 years
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Questions

Subject: Trigonometry

TutorMe
Question:

Find the value of sin 38° – cos 52°?

Inactive
Aditya B.
Answer:

The answer is 0. As 38 and 52 are allied angles (when sum of 2 angles is a multiple of 90°), therefore both sin38° and cos 52° are same.

Subject: Calculus

TutorMe
Question:

Newton's method is used to approximate the extrema of a function?

Inactive
Aditya B.
Answer:

The answer is NO. If the first derivative of f is known, then yes Newton's method can be used to find the zero of the derivative which is the location of an extremum of function f. Newton's method is used to approximate the zeros of a function.

Subject: Algebra

TutorMe
Question:

What is the value of under root 4?

Inactive
Aditya B.
Answer:

Answer is +2. Many of students say the answer as + and - 2. But the correct answer is +2 because square root output is always a positive number. If I change my question to x^2=4 then we can say answers are + and - 2

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