解析 B 143×1=143 反馈 收藏
Verify the identity: \dfrac{\tan x + \cot y}{\tan x\cot y} = \tan y + \cot x. Verify that the equation is an identity. (1 - tan x)^2 + (1 + tan x)^2 = 2 sec^2 x Use a ratio identity to find \tan \theta if \sin\theta = \dfrac{8}{\sqrt{65 and \cos \theta...
aI had said the previous message 正在翻译,请等待...[translate] aEquation is different from arithmetic identity in that it contains unknown quantity which can join operations. 等式是与算术身分不同因为它包含可能加入操作的未知数量。[translate]
An equal number The same number Having sufficient capability to achieve or do something. She is equal to the task. Treating or regarding uniformly, without discrimination. All citizens have equal rights. Equal Meaning in a Sentence The equation shows that both sides areequalto each other. ...
1. Which of the following is an example of commutative properties of Addition? {eq}(A) 3 + 8 = 8 + 3 , (B) 4 + 7 = 6 + 4, (C) 2 \times 1 = 2, (D) (8 + 9) + 5 = 8 + (9 + 5) {/eq} 2. Which an example of associative...
Find all the values of p for which both roots of the equation x2+x+p=0 exceed the quantity p. A[2,3] B(−113,3) C(−113,−2) D−2<p<3Submit For what value of p, the equation (p−1)(2p+1)×2+(p2−1)×+(p−1)(p−3)=0 is an identity (or hs more...
8、How many hearts does an octopus have? A、2 B、3 C、4 D、6 Answer:B 9、What is the mode of the following number set? 1, 2, 3, 3, 5, 6, 8, 9 A、3 B、5 C、5.2 D、9 Answer:A 10、Who was the only golfer in PGA history to make a hole-in-one on a par-4 when ...
An indeterminate inflorescence. (Mathematics) Having more than one variable and an infinite number of solutions, such as the equation 5x2 + 3y = 10. Not accurately determined or determinable. Imprecise or vague. Not definitively or precisely determined, because of the presence of infinity or zer...
which stands for partial least square structural equation modeling, is used in order to evaluate the proposed model. Therefore, the findings show that the research model offered for this investigation could explain the diversity in the actual use of mobile learning systems. This would provide helpful...
Which identity needs to be used to provetan(π2−x)=cotx? Question: Which identity needs to be used to provetan(π2−x)=cotx? Proving Trigonometric Identities As we know, a trigonometric identity is simply a trigonometric equation which holds true for an angleθ...