sin^(4) theta - cos^(4) theta" का मान " sin theta के पदों में क्या है ?
sin^(2)theta+cos^(2)theta=1 Squaring both sides sin^(4)theta+cos^(4)theta =1-2 sin^(2)theta.cos^(2)theta Put theta= 90^(@) =1-2sin^(2)90^(@).cos^(2)90^(@)=1-0=1
解:(sin θ),(cos θ)是方程(4x)({,!}^{2})(+2mx+m=0)的两根,(∴)( begin{cases} overset{sin theta +cos theta =- dfrac {m}{2}}{sin theta cos theta = dfrac {m}{4}}end{cases}),(∴(sin θ+cos θ))({,!}^{2})(-2sin θcos θ=)( dfrac {m^{2}}{4})(...
(sin(θ)+cos(θ))2(sin(θ)+cos(θ))2 将(sin(θ)+cos(θ))2(sin(θ)+cos(θ))2重写为(sin(θ)+cos(θ))(sin(θ)+cos(θ))(sin(θ)+cos(θ))(sin(θ)+cos(θ))。 (sin(θ)+cos(θ))(sin(θ)+cos(θ))(sin(θ)+cos(θ))(sin(θ)+cos(θ)) ...
Answer to: Establish the identity. sin 4 theta = 4 cos^3 theta sin theta - 4 sin^3 theta cos theta. By signing up, you'll get thousands of...
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)...
sin cos 图像如下图: csc 图像如下图: sec图像如下图: tan cot图像如下图: 希腊字母读音如下: 1 Α α alpha a:lf 阿尔法 2 Β β beta bet 贝塔 3 Γ γ gamma ga:m 伽马 4 Δ δ delta delt 德尔塔 5 Ε ε epsilon ep`silon 伊普西龙 6 Ζ ζ zeta zat 截塔 7 Η η eta ei...
若\sin\theta\cos\theta=\dfrac{12}{25},且\theta\in(0,\dfrac{\pi}{4}),则\sin\theta-\cos\th
delt 德尔塔5 Ε ε epsilon ep`silon 伊普西龙6 Ζ ζ zeta zat 截塔7 Η η eta eit 艾塔8 Θ θ theta θit 西塔9 Ι ι iota aiot 约塔10 Κ κ kappa kap 卡帕11 ...
यदि sin theta - cos theta = 0 , तो sin^(4) theta + cos^(4) theta का मान ज्ञात कीजिए ।