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  • 2 answers

Mahima Sharma 8 years, 1 month ago

As then would the value will proceed to zero

Mahima Sharma 8 years, 1 month ago

I think k should be infinity.........but not sure
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Jayanti Gupta 8 years, 1 month ago

36.7
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52
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J Mondal 8 years, 1 month ago

4
p
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Jayanti Gupta 8 years, 1 month ago

Solve more more more questions I bat you get good marks
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Jayanti Gupta 8 years, 1 month ago

For from end a=399 d=-4 For 20th term = 399 + (20-1)-4 = 399-76 = 323 20th term is 323
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Kritika Trehan 8 years, 1 month ago

{tex}\begin{array}{l}The\;reciprocal\;identities\;are\;given\;as:\;\;\\Cosec\Theta=1/\sin\Theta\;\;\\sec\Theta=1/\cos\Theta\;\;\\cot\Theta=1/\tan\Theta\;\;\\\sin\Theta=1/Cosec\Theta\;\;\\\cos\Theta=1/sec\Theta\;\;\\\tan\Theta=1/cot\Theta\\\end{array}{/tex}

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Kritika Trehan 8 years, 1 month ago

The "mean" is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers.

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Kritika Trehan 8 years, 1 month ago

{tex}\begin{array}{l}\sin\;x\;=\frac{\sqrt3}2\\we\;know\;that\;\sin\;60^0\;=\;\frac{\sqrt3}2\\\sin\;is\;positive\;in\;first\;anf\;second\;quadrant\\value\;in\;Ist\;quadrant\;=\;60^0\\value\;in\;2nd\;quadrant\;=\;180\;-\;60\;=\;120^0\\\\\\\\\end{array}{/tex}

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Varun Banda 8 years, 1 month ago

A sequence such as 1, 5, 9, 13, 17 or 12, 7, 2, –3, –8, –13, –18 which has a constant difference between terms. The first term is a1, the common difference is d, and the number of terms is n.

Explicit Formula: an = a1 + (n – 1)d.

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Rakhi Pundir 8 years, 1 month ago

8xcube - y cube + 12x square y - 6 x y square
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Ashim Roy 5 years, 1 month ago

cos40

Yogesh Rupireddy 8 years, 1 month ago

Cos 40 is greater.cos function is in decreasing order and sin function is in increasing order
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Siya Makker 8 years, 1 month ago

Actually.we r not aware that with help of which formula...u r doing
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