# Tutor profile: Sarbjeet M.

Inactive

Sarbjeet M.

Tutor for 10 years

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## Questions

### Subject: Trigonometry

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Question:

In a right triangle ABC with angle A equal to 90°, find angle B and C so that sin(B) = cos(B).

Inactive

Sarbjeet M.

Answer:

Let b be the length of the side opposite angle B and c the length of the side opposite angle C and h the length of the hypotenuse. sin(B) = b/h and cos(B) = c/h sin(B) = cos(B) means b/h = c/h which gives c = b The two sides are equal in length means that the triangle is isosceles and angles B and C are equal in size of 45°.

### Subject: Basic Math

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Question:

If Sam had dinner at $75.69 and he gave 15% tip, how much did he spend?

Inactive

Sarbjeet M.

Answer:

Spent on dinner = $75.60 Tip = 15% of 75.60 = 15/100 X 75.60 = $11.34 Total Spending = $86.94

### Subject: Algebra

TutorMe

Question:

Add the following: (3x² -6x +xy), (2x³ -5x² -3y), (7x +8y)?

Inactive

Sarbjeet M.

Answer:

2x³-2x²+x+xy+5y

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