Ifsinθ=4cosθ, then what is the value ofsinθcosθ? यदिsinθ=4cosθ, है, तोsinθcosθका मान क्या होगा ? View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium ...
if x=sin theta+theta cos theta,y=cos theta-theta sin theta then ((dy)/(dx))_(theta=(pi)/(2))= View Solution Ifx=eθ(sinθ−cosθ),y=eθ(sinθ+cosθ)thendydxatθ=π4is View Solution Ifx=θ−sinθ,y=1−cosθ,thenatθ=π2,dydx= View Solution Ifx=a(sinθ−θcosθ...
sin(θ)+cos(θ)sin(θ)+cos(θ) 将sin(θ)+cos(θ)sin(θ)+cos(θ)书写为一个函数。 f(θ)=sin(θ)+cos(θ)f(θ)=sin(θ)+cos(θ) 通过计算导数f(θ)f(θ)的不定积分求函数F(θ)F(θ)。 F(θ)=∫f(θ)dθF(θ)=∫f(θ)dθ ...
Answer to: Prove the identity. sin theta(csc theta + cot theta) = 1 + cos theta. By signing up, you'll get thousands of step-by-step solutions to...
化简sin(theta)*cos(theta)*csc(theta)sin(θ)⋅cos(θ)⋅csc(θ)sin(θ)⋅cos(θ)⋅csc(θ) 将csc(θ)csc(θ) 重写为正弦和余弦形式。 sin(θ)cos(θ)⋅1sin(θ)sin(θ)cos(θ)⋅1sin(θ)约去sin(θ)sin(θ) 的公因数。 点击获取更多步骤... cos(θ)cos(θ)...
=\frac{tan\theta (1+cos\theta )}{1+cos\theta } =tan\theta 等式左边=右边; 等式成立, 故\frac{sin\theta +tan\theta }{1+cos\theta }=tan\theta . 利用公式tan\theta =\frac{sin\theta }{cos\theta },将左侧式子化简。反馈 收藏
即Z^n=\cos n\theta +i\sin n\theta 数学归纳法的证明步骤: 第一步:验证n取第一个自然数时成立 第二步:假设n=k时成立, 然后以验证的条件和假设的条件作为论证的依据进行推导, 在接下来的推导过程中不能直接将n=k+1代入假设的原式中去。 最后一步总结表述。 本题中还用到了以下公式: \cos (...
Click here:point_up_2:to get an answer to your question :writing_hand:if sin theta 2cos theta 1 prove that 2sin theta cos theta
Answer to: Prove that dfrac{cos theta}{sin theta } = cot theta . By signing up, you'll get thousands of step-by-step solutions to your...
tan(π4−x)=1−tanx1+tanx we can identify that: 1−tan(θ2)1+tan(θ2)=tan(π4−θ2) Conclusion Thus, we have proved that: cosθ1+sinθ=tan(π4−θ2) Hence, the statement is proved. Show More 23 | ShareSave