1.已知tan(a+p)=2/5,tan(p-π/4)=1/4,则tan(a+π/4)=?2.已知sina=-1/3,a∈(-π,0),则tana的值等于?1.已知tan(a+p)=2/5,tan(p-π/4)=1/4,则tan(a+π/4)=?2.已知sina=-1/3,a∈(-π,0),则tana的值等于?3.已知a、p均为锐角,且cosa=1/7,cos(a+
来源:学生作业帮助网 编辑:作业帮 时间:2024/12/02 01:56:51
x|Yo[_Q|U:-+II7=S頫1 ȅ*qF=}(n⢕Z(k1)ɒȢ$OwU<~琮T W).,ϻ|ŏ#[y5샙^~t'w~4}cz_/}g3LؙdܻmMUSNE|lߘ}4$h-;ꯞ=93~d32k
S=33#C2M<ς/B뮘BRuwEorqna2,5؝[YnXAVA36?7i_?RT4uAu&>7~ݜԁh,|kCV
g1G_a-a4Cĉ>w.L4(/xnﻈ;g}(,y[քOR\TW}P㾺}Q]xů{".xRp@(?֬PCФ|v?6ݽkɯp[J~sw*['xHFw&
?EH$]5ܱ9_3_0yr]^}[`Qk e#yB>
^F
Tҥ{^)7MOGovOA;tuS-_eKxda~;^uQ&sﰋant͙Nɽ>v;~}~k~[:l^fy[+tRa;iM/Fb@:HܿgTb+zcnNaoTb~tJ8XI&L5)Ϳq}a7
zްե 1@r?́:1<&0p^ENZԶp}3+\2+V9z{:iRT1}ʘ8wv3fB gL@Mrڍ8nrNJ>B(7%ɤhm^搎jٛAM
v\yoۺ5@wI4L6+a&q~쟦^~~<ϧ^>yͫ eUMsB\JNQIoG;MR-yrB-yk~s6pj:n
g+ӺS'01yKS㌶n`TIoOIQ2NAI DJߦEzέ)AfY^2KN ɥҮyB6ڄU][V{:j2E&[+PW/#i qhB{]+WքϜxn`qܩ{ T
ڻ.Xh-9fM"{5ݥ~8L`$42͂Q.eja[ۦ