(ix)sinthetacostheta-(sinthetacos(90^(@)-theta)costheta)/(sec(90^(@)-theta))-(costhetasin(90^(@)-theta)sintheta)/(cosec(90^(@)-theta))
sin theta cosec theta + cos theta sec theta बराबर है | 01:22 चित्र में व्यास EC जीवा AD के समान्तर एव angle ABC = 50^(@) ह... 04:21 चित्र में ABCD और...
Answer to: Show how to write sin(theta) in terms of cos(theta). By signing up, you'll get thousands of step-by-step solutions to your homework...
化简(tan(theta)cos(theta))/(sin(theta)) tan(θ)cos(θ)sin(θ)tan(θ)cos(θ)sin(θ) 将tan(θ)tan(θ)重写为正弦和余弦形式。 sin(θ)cos(θ)cos(θ)sin(θ)sin(θ)cos(θ)cos(θ)sin(θ) sin(θ)cos(θ) cos(θ)cos sin(θ)cos(θ)cos(θ)sin(θ)sin(θ)cos(θ)cos(θ)sin...
Answer to: What is sin(theta) given tan(theta) = 12/5? By signing up, you'll get thousands of step-by-step solutions to your homework questions...
已知(tan θ=2),则( dfrac {3sin θ-2cos θ}{sin theta +3cos theta }=) ___ . 免费查看参考答案及解析 题目: 已知(tan θ=2),则( dfrac {sin θ+cos θ}{sin theta }+sin ^{2}θ)的值为(() ()) A、( dfrac {19}{5}) B、(...
∵tan\theta =2=\frac{sin\theta }{cos\theta } ∴sin\theta =2cos\theta tan^2\theta =\frac{1-cos^2\theta }{cos^2\theta }=\frac{1}{cos^2\theta }-1=4 ∴cos^2\theta =\frac{1}{tan^2\theta +1}=\frac{1}{5} ∴1+sin\theta cos\theta =1+2cos^2\theta =1+\frac{2}...
热门问题 三角学 化简/精简 cos(theta)+sin(theta)tan(theta)cos(θ)+sin(θ)tan(θ)cos(θ)+sin(θ)tan(θ) 化简每一项。 点击获取更多步骤... cos(θ)+sin2(θ)cos(θ)cos(θ)+sin2(θ)cos(θ)化简每一项。 点击获取更多步骤... cos(θ)+sin(θ)tan(θ)cos(θ)+sin(θ)tan(θ)...
Answer to: Prove the identity. {1 + cos theta} / {sin theta} + {sin theta} / {1 + cos theta} = 2 csc theta By signing up, you'll get thousands of...
已知\sin(\theta+\alpha)=\sin(\theta+\beta),求证:\tan\theta=\dfrac{\sin\beta-\sin\alpha}{\