trig Show cos(4x) = 8 cos^4(x) -cos^2(x)+1

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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

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MPPET 1996 Hindustan: trig integral ∫ sin^2(x) -cos^2(x)/(sin^2(x) cos^2(x)) dx

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2nd way: integral ∫ log √x(x^n) dx

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MP 98 Hindustan: Evaluate (i) ∫e^loge(x) dx (ii) ∫e^(-loge(x)) dx

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CBSE 2000 Hindustan: integral (1+tan(x))/(x+log(sec(x)) dx

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KIMETSU_NO_YAWA_-_Parody_Dub_-_GLOCO

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Atake_Ng_Tawag_Ng_Kalikasan_-_Attack_On_Titan_Tagalog_Parody_Dub

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If y=acos(ln(x)) + bsin(ln(x)), show that x^2y2 + xy1 +y=0

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trig integral ∫1/(√sin(x) √cos^7(x)) dx

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exp Differentiate (i) b^e^x (ii) b^x&e (iii) (b^e)^x (iv) (b^x)^e

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If x=at^2,, y=2at, then find d2y/dx2

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Ex11.6 STPM Math T Sem.2 Find the fir st 4 terms in the expansion of the following functions

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Shinkai taught us a lot.

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Sum/Difference of 2 EVEN function is EVEN

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2nd/2ways: Taylor series of sin(x) [Maclaurin's series]

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1st/2ways: Evaluate lim sin(5x)/sin(9x) as x tends 0

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2 ways: exp integral ∫(p^x + q^x)/r^x dx

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A bag contains 20 identical red marbles, 20 identical green marbles, & 20 identical blue marbles.

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Review: Product to Sum Identities

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