Question: Verify the following identity. cos2x(sec2x−1)=sin2x Trigonometric Identities: When we call a trigonometric equation an identity, we can conclude that the equation is true and valid for the angles considered. In trigonometry, each function has some unique ide...
sin(2θ)=2sin(θ)cos(θ)cos(2θ)=cos2(θ)−sin2(θ)cos(2θ)=2cos2(θ)−1cos(2θ)=1−2sin2(θ)tan(2θ)=2tan(θ)1−tan2(θ) Answer and Explanation: Given Data: The given equation is: {eq}{\sin ^2}\left( x \right){\c...
Different from the popular face recognition loss Cos- Face [51] which sets a fixed margin, we assign different margin values to real and fake samples respectively. Specif- ically, the margin mreal for the real sample is set to a fixed value of 0.4. Particularly, we use ...
Verify the Identity cos(4u)=cos(2u)^2-sin(2u)^2 ( (cos)(4u)=((cos))^2(2u)-((sin))^2(2u)) 相关知识点: 试题来源: 解析 The provided equation is an identity but there are no steps available. ( (cos)(4u)=((cos))^2(2u)-((sin))^2(2u)) is an identity反馈 收藏 ...
Both sides look equally complicated, so show $$ L H S - R H S = \cos ^ { 2 } \theta - \sin ^ { 2 } \theta - 1 + 2 \sin ^ { 2 } \theta $$ Simplifying: $$ \equiv \cos ^ { 2 } \theta + \sin ^ { 2 } \theta - 1 $$ $$ \equiv 1 - 1 $$ $$ \eq...
For real symmetric matrices X and Y, the notation X ⩾ Y (respectively, X > Y) means that the matrix X − Y is positive semi-definite (respectively, positive definite). N={1,2,…,n} and ∥·∥stands for the Euclidean norm in Rn. λM(X) (respectively, λm(X)) stands for ...
We have to prove the identity: {eq}\displaystyle \sin4x \sin2x = \dfrac{1}{2}(\cos2x - \cos6x). {/eq} $$\begin{align} \sin4x \sin2x...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it risk-free Ask a question Our experts can answ...
x - identity variable vars - variables to be determined (as forsolve) Description • The expression (or equation)eqnis considered an identity in terms of the variablex, andsolveattempts to find a solution in terms ofvarswhich satisfies the equationeqnfor any value ofx. ...
ii. cos θ . 相关知识点: 试题来源: 解析 a. (sin ^2 θ)(cos ^2 θ)+(cos ^2 θ)(cos ^2 θ) 1(cos ^2 θ)tan ^2 θ+1 sec ^2 θsec ^2 θ-tan ^2 θ 1b.i. sec θ=± √6ii. cos θ=± 1(√6)反馈 收藏
determining a protein associated with the specific gene and analyzing information for the protein; associating the unknown metabolite with concentrations and/or ratios of other metabolites in subjects; obtaining chemical structural data for the unknown metabolite; and using the information obtained to eluci...