COSIS技术(颅内取栓支架保护下的慢性动脉闭塞开通术)是基于加奇生物Syphonet®取栓支架的独特设计特点而衍生出的针对慢闭开通实施颅内保护的技术,在颅内动脉慢性闭塞,保护伞无法到位的情况下,利用Syphonet®取栓支架作为颅内的远端保护装...
COSIS技术(Chronic arteryOccluSion recanalization with theIntracranial protection ofStent retriever,颅内取栓支架保护下的慢性动脉闭塞开通术)是基于加奇生物 Syphonet®取栓支架的独特设计特点而衍生出的针对慢闭开通实施颅内保护的技术,在颅内动...
∫tan−1(cosx−sinxcosx+sinx)dx is equal to Aπ4x−x22+C Bπ4x+x33+C Cπ5x−x22+C DNone of theseSubmit The value of the integral I=∫ex(sinx+cosx)dx is equal to ex.f(x)+C,C being the constant of integration. Then the maximum value of y=f(x2),∀x∈R is equal...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
百度试题 结果1 题目Which expression is equivalent to (sin2x)/(sin(-x))? A: 2 cos xB: -2 cos xC: -2 sin xD: 2 sin x 相关知识点: 试题来源: 解析 B-2 cosx 反馈 收藏
结果1 题目 $$ \cos ^ { - 1 } $$(-x) is equal to:(A) $$ \cos ^ { - 1 } x $$ (B)$$ \pi + \cos ^ { - 1 } x $$ (C)$$ \pi - c o s ^ { - 1 } x $$ (D)$$ \sin ^ { - 1 } x $$ 相关知识点: 试题来源: 解析 C 反馈 收...
We can use the trigonometric identities to figure out what 1−cos2(x) is equal/equivalent to. Using the Pythagorean identity...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough homework and ...
intisnan(/* floating-point */x );/* C-only macro */int_isnan(doublex );int_isnanf(floatx );/* x64 only */template<classT>boolisnan(Tx)throw();/* C++ only */ 参数 x 要测试的浮点值。 返回值 在C 中,如果该自变量x是 NAN,则isnan宏和_isnan及_isnanf函数将返回一个非零值;...
Home›Math›Trigonometry›Arccos› Arccos of cos(x) What is arccos of cos(x)Arccosine of cosine of x.Since cosine is periodic, the arccosine of cosine of x is equal to x plus 2kπ when k is integer number k∈ℤ:arccos( cos x ) = x+2kπ...
cos2x=xShort-term memory contains the contents of your thoughts right now, which is easily disturbed. It ___ 1.__(取决于) your actively paying attention to the items that are in the"next thing to do" file in your mind. Our short-term memory ability declines slightly with every decade...