Consider the curves y= sin x and y = cos x. What is the area of the region bounded by the above two curves and the lines x = 0 and x =pi/4.
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(sinx)′=limh→0sin(x+h)−sinxh=limh→02sinh2cos(x+h2)h=limh→02...
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g-()-2()-cox2(函数y cos 2x的图象向右平移T 0,7元 6个单位后得到函数y cos 22-3的图象,即等于T 0或7元 6.故选:A.先把函数y=cos(2x-π3)转化为:cos2(x-π6)=cos2(x-7π6),再根据图象的左右平移规律即可得到答案. 结果二 题目 函数的图象向右平移个单位后,得到函数的图象,若为偶...
clng = math.cos(lng) d = math.sqrt(1- (slat * slat * WGS84_ECC_SQ)) rn = WGS84_A / d x = (rn + alt) * clat * clng y = (rn + alt) * clat * slng z = (rn * (1- WGS84_ECC_SQ) + alt) * slatreturn(x,y,z) ...
first vertebral con- tacting second marginal; vertebral and pleural sulcus plications present; preneural absent; the presence of eight neurals, two subequal suprapygals, and a pygal; third costals with parallel anterior and posterior sides; costo-peripheral, lateral and central plastral fontanelle...
There is a famous irrational number called euler's number, often symbolized with an e. Like pie it never seems to end. The first few digits of e are 2.7182818284. Between which two square roots of integers could you find this number? Between which two sq ...