sin30°-tan60°tan30°2cos²45°

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/21 23:13:50
计算:sin30°+cos²45°-tan60°×tan30°:sin30°+3cos²45°-tan60°×tan30°

计算:sin30°+cos²45°-tan60°×tan30°:sin30°+3cos²45°-tan60°×tan30°计算:sin30°+cos²45°-tan60°

sin30°+cos30°-2tan30°*tan60°=?

sin30°+cos30°-2tan30°*tan60°=?sin30°+cos30°-2tan30°*tan60°=?sin30°+cos30°-2tan30°*tan60°=?sin30°+cos

练习1:2sin30°+3tan30°+cot45° 练习2:cos^2 45°+tan60°cos30°

练习1:2sin30°+3tan30°+cot45°练习2:cos^245°+tan60°cos30°练习1:2sin30°+3tan30°+cot45°练习2:cos^245°+tan60°cos3

COS²45°+tan60°-sin30°=?

COS²45°+tan60°-sin30°=?COS²45°+tan60°-sin30°=?COS²45°+tan60°-sin30°=?根号3

tan60°*tan30°=( )

tan60°*tan30°=()tan60°*tan30°=()tan60°*tan30°=()tan60°*tan30°=tan60°*ctan60°=1tan60°*tan30°=(1)

sin30°+cos60°-cot45°-tan60°×tan30°求答案和步骤现在要

sin30°+cos60°-cot45°-tan60°×tan30°求答案和步骤现在要sin30°+cos60°-cot45°-tan60°×tan30°求答案和步骤现在要sin30°+cos60°-

sin30°加cos30°加tan30°乘tan45°减tan60°同上

sin30°加cos30°加tan30°乘tan45°减tan60°同上sin30°加cos30°加tan30°乘tan45°减tan60°同上sin30°加cos30°加tan30°乘tan45°减

sin30°+cos60°-cot45°-tan60°×tan30°结果加步骤等于多少?

sin30°+cos60°-cot45°-tan60°×tan30°结果加步骤等于多少?sin30°+cos60°-cot45°-tan60°×tan30°结果加步骤等于多少?sin30°+cos60

sin60 sin30 cos60 cos30 sin45 cos45 tan30 tan60 tan45°各等于多少

sin60sin30cos60cos30sin45cos45tan30tan60tan45°各等于多少sin60sin30cos60cos30sin45cos45tan30tan60tan45°各等于

tan60°-2sin30°×cos30°

tan60°-2sin30°×cos30°tan60°-2sin30°×cos30°tan60°-2sin30°×cos30°

cos²30°+sin²60°÷(tan60°×tan30°)+tan60°

cos²30°+sin²60°÷(tan60°×tan30°)+tan60°cos²30°+sin²60°÷(tan60°×tan30°)+tan60°cos&

计算:(1)根号2sin45°+cos²60°-根号3tan60°+sin30°·tan45°(2)cos²45°+tan30°·sin60°=______先化简,再求值:其中x=tan60°-1

计算:(1)根号2sin45°+cos²60°-根号3tan60°+sin30°·tan45°(2)cos²45°+tan30°·sin60°=______先化简,再求值:其中x=

2sin30°-sin²45°+tan30°

2sin30°-sin²45°+tan30°2sin30°-sin²45°+tan30°2sin30°-sin²45°+tan30°2sin30°-sin²45

cos^245°+1/2tan45°-tan60°分之tan30°-sin60°

cos^245°+1/2tan45°-tan60°分之tan30°-sin60°cos^245°+1/2tan45°-tan60°分之tan30°-sin60°cos^245°+1/2tan45°-t

cos²45°+sin60°*tan30°-√ (1-tan60°)²

cos²45°+sin60°*tan30°-√(1-tan60°)²cos²45°+sin60°*tan30°-√(1-tan60°)²cos²45°

cos60°+sin45°×cos45°-tan60°×tan30°=?cos45°-cos60°分之1+sin30°分之1+cos²30°+sin²45°=?3tan30°+cot45°+cos30°+2sin60°-2tan45°=?

cos60°+sin45°×cos45°-tan60°×tan30°=?cos45°-cos60°分之1+sin30°分之1+cos²30°+sin²45°=?3tan30°+co

cos60°+sin45°×cos45°-tan60°×tan30°=?cos45°-cos60°分之1+sin30°分之1+cos²30°+sin²45°=?3tan30°+cot45°+cos30°+2sin60°-2tan45°=?

cos60°+sin45°×cos45°-tan60°×tan30°=?cos45°-cos60°分之1+sin30°分之1+cos²30°+sin²45°=?3tan30°+co

tan60°+9tan30°-½tan45°+sin30°= cos 60°+√2/2sin45°+tan30°·cos30°=sin60°·cos60°+sin45°·cos45°-sin30°·cos30°=救急!

tan60°+9tan30°-½tan45°+sin30°=cos60°+√2/2sin45°+tan30°·cos30°=sin60°·cos60°+sin45°·cos45°-sin30

tan30° sin30° cos30° tan60° sin60° cos60° tan45°tan30° sin30° cos30°tan60° sin60° cos60°tan45° sin45° cos45°

tan30°sin30°cos30°tan60°sin60°cos60°tan45°tan30°sin30°cos30°tan60°sin60°cos60°tan45°sin45°cos45°tan3