LIM (sin △ X / 2) / △ x is a 1 / 2 proof process when △ x tends to zero

RELATED INFORMATIONS

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• 2. lim (x→0+)sin x/x=
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• 4. How to solve Lim [n: ∞, (x ^ (2) + 2x sin (x)) / (2x ^ (2) + cos (x))]?
• 5. It needs a process to find the limit x → 0 LIM (1-cos ax) / sin ^ 2x (a is a constant)
• 6. Find the limit of the following formula: ① LIM (0 → infinity) x & # 178; + 6x + 5 / 2x & # 178; - 2x + 1 ② LIM (x → 0) sim2x / sim5x ③ LIM (x → infinity) (1 + 2 / x) to the power of X, LIM (x → infinity) to the power of N, LNX (n > 0)
• 7. (sin5π/12-sinπ/12)(cos5π/12+cosπ/12)=?
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• 9. (cot20 ° - √ 3) (cos5 ° + sin5 °) (cos5 ° - sin5 °) calculation
• 10. -What are the values of sin π / 6 and sin 5 π / 6 respectively -What are the values of sin π / 6 and sin 5 π / 6 respectively? - what are the values of cos π / 6 and COS 5 π / 6 respectively
• 11. lim（x→1）sinπx╱2（x-1）
• 12. LIM (x tends to 0) x ^ 2 / (sin ^ 2) * x / 3
• 13. lim(sin√(x+1)-sin√x) x→+∞
• 14. lim（x→2）x-2 /sin(
• 15. LIM (x tends to infinity) (sin n) / N =?
• 16. lim(x->0)[(x^2)*sin(1/x)]/sinx I use the equivalent infinitesimal, because when (x - > 0), SiNx ~ x, so sin (1 / x) ~ 1 / x, Then the original formula = LIM (x - > 0) (x ^ 2) * (1 / x) / SiNx = 1, right
• 17. How much is SiNx, sin (1 / x), sin (x ^ 2) equal when Lim x approaches zero? And how much are they equal when Lim x approaches infinity? And how much is cos Tan in this case?
• 18. Lim sin (x-1) / X-1 x tends to infinity
• 19. lim(x(sin)^2)
• 20. Find Lim X - > ∞ (xtan2 / x + (1 / x ^ 2) * (SIN) x ^ 2)