Blog Tag Trignometry

Find: a^3+ 1/a^3 ; if a + 1/a = 5.

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Steps for Conversion of Fahrenheit to Celsius

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Question: Convert 212 degree Fahrenheit to Celsius

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Given? (m-a)/(m-b)= 2c/3d. Make m the subject.

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Question: If all the angles of a 14-sided figure are equal, find the measure of each angle.

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Steps for Conversion of Celsius to Fahrenheit

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Question: Convert 30 degree Celsius to Fahrenheit.

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Question: The difference between the exterior angles of two regular polygons, having the sides equal to (n-1) and (n+1) is 9°. Find the value of n.

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Trigonometric ratios

Relations between different trigonometrical ratios: Trigonometrical ratios of complementary angles: . . .

If 12 men and 16 boys can do a piece of work in 5 days & 13 men and 24 boys can do it in 4 days, how long will 7 men & 10 boys takes to do it?

Question: If 12 men and 16 boys can do a piece of work in 5 days & 13 men and 24 boys can do it in 4 days, how long will 7 men & 10 boys takes to do it?   . . .

Divide Rs 15,600 into two part such that the interest on one at 5 percent for 5 year may equal to that on the other at 41/2 per cent for 6 years.

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How will Rs 31,500 be shared between A, B and C, if A gets the double of what B gets & B gets the double of what c gets?

A gets = 10000; B gets = 5000; C gets = 2500 . . .

Simplify: (1/4- 1/6) of (2/3- 5/12) × (5/8- 7/12)

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Solve for x: ?(x-5)?^2- ?(x-2)?^2= -2

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The present age of a man is twice of his son. Eight year hence, their age will be in the ratio 7: 4. Find their present ages.

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