Mr. Bidur Bastola

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Important question for SEE from the set.

0:11:00

Shortcut trick of finding cube root...

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Prove that: sin⁶ A + cos⁶ A = 1/4(1+3cos² 2A)

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Important simplify from indices for grades 8 and 9.

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If cos A = 1/2(a+1/a) then verify that: cos 2A = 1/2(a^2 + 1/a^2)

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In a cylinder beaker 'A' water is filled up to height 12cm and radius 14cm. If water is poured into

0:08:00

Important question from conditional trigonometry...

0:28:46

CAST rule of trigonometry

0:12:37

Important question from geometry.

1:03:55

Factorize the given algebraic expressions. (Part 2)

0:05:38

Important question from trigonometry.

0:08:46

Important question from geometry.

0:12:35

Important question from quadratic equation related to area and perimeter.

0:15:45

Important question from quadratic equation related to area and perimeter.

0:09:06

Important question from geometry...

0:13:26

If x+y+z = 0 and xyz = 1 then solve: 1/(1-x³) + 1/(1-y³) + 1/(1-z³)

0:14:57

Important question from geometry.

0:07:15

Important question from equation of straight...

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How can we solve it when more than two divide signs occur in a fraction.

0:08:38

Important simplify from indices...

0:24:11

Solving quadratic equations by factorization; formula and completing square methods...

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In a two digits number, the sum of digits is 8. If 7 is added on two digits number, then it is..

0:17:58

Mode by using a grouping table method.

0:10:27

Prove that: sin⁴ π/8 + sin⁴ 3π/8 + sin⁴ 5π/8 + sin⁴ 7π/8 = 3/2