Prove that: (sin2theta)/(1+cos2theta)=tantheta 02:08 If A and B are acute positive angles satisfying the equations 3 sin^(2... 03:01 The roots of the equation 4x^2-2sqrt(5)x+1=0,a r e (a)sin36^0,sin18... 02:51 If x , y in R satisfies (x+5)^2+(y-12)^2=(...
(vi)1+tan2θ1+secθ=secθ Show that [[cos theta,-sin theta],[sin theta,cos theta]]=[[1,-tan(theta)/(2)],[tan(theta)/(2),1]][[1,tan(theta)/(2)],[-tan(theta)/(2),1]]^(-1) सिद्ध कीजिए की :cosθ1+sinθ=tan(π4−θ2) य...
Answer to: Write the following in terms of sin theta and cos theta, then simplify if possible. \frac{\tan\theta}{\cot\theta} By signing up, you'll...
Find sin theta and tan theta if cos theta = - 4/5 and theta is in the III quadrant. Given cos (theta) = 3 / 8, find sin (theta) and tan (theta). If \tan \theta = \frac{1}{2}; -\frac{\pi}{2} \lt \theta \lt \frac{\pi}{2} , find \sin \theta ...
Answer to: Solve the equation. tan theta = 2 sin theta By signing up, you'll get thousands of step-by-step solutions to your homework questions...
若\( \tan \theta = 2 \),求\( \sin \theta \)的值(假设\( \theta \)在第一象限)。 A. \( \frac{2}{\sqrt{5}} \) B. \( \frac{2}{3} \) C. \( \frac{1}{\sqrt{2}} \) D. \( \frac{1}{2} \) E. \( \frac{1}{\sqrt{5}} \) ...
百度试题 结果1 题目已知\( \tan \theta = 2 \),则\( \sin \theta \cos \theta \)的值为___。相关知识点: 试题来源: 解析 \( \frac{2}{5} \) 反馈 收藏
tan(θ)=2tan(θ)=2,sin(θ)<0sin(θ)<0 The sine function is negative in the third and fourth quadrants. The tangent function is positive in the first and third quadrants. The set of solutions forθθare limited to the third quadrant since that is the only quadrant found in both sets...
已知\tan \theta = 2,则\sin ^{2}\theta + \sin \theta \cos \theta -2\cos ^{2}\theta = ___
邻边=4-(1)2 邻边=4-1⋅1 将-1乘以1。 邻边=4-1 从4中减去1。 邻边=3 邻边=√33 使用正切的定义求tan(θ)tan(θ)的值。 tan(θ)=对边相邻tan(θ)=对边相邻 代入已知值。 tan(θ)=1√3 化简右边。 点击获取更多步骤... 将13乘以33。