( y=(cos)(x)) 相关知识点: 试题来源: 解析 Rewrite the equation as ( (cos)(x)=y). ( (cos)(x)=y) Take the inversecosine of both sides of the equation to extract ( x) from inside the cosine. ( x=(arccos)(y))反馈 收藏 ...
Solve for x cos(x)-1=-cos(x)( (cos)(x)-1=-(cos)(x)) 相关知识点: 试题来源: 解析 Move all terms containing ( (cos)(x)) to the left side of the equation.( 2(cos)(x)-1=0)Add ( 1) to both sides of the equation.( 2(cos)(x)=1)Divide each term by ( 2) and...
( (0.34202014+(cos)(x))⋅ 1/((cos)(x))=0/((cos)(x)))Simplify terms.( (0.34202014)/((cos)(x))+1=0/((cos)(x)))Simplify each term.( 0.34202014(sec)(x)+1=0/((cos)(x)))Separate fractions.( 0.34202014(sec)(x)+1=0/1⋅ 1/((cos)(x)))Convert from ( 1/((cos)(...
cos(xy) Evaluate cos(xy) Differentiate w.r.t. x −ysin(xy)
Solve for ? cos(x)=0.3Step 1 Take the inverse cosine of both sides of the equation to extract from inside the cosine.Step 2 Simplify the right side. Tap for more steps... Step 2.1 Evaluate .Step 3 The cosine function is positive in the first and fourth quadrants. To find the second...
【题目】Solveforx=2/(1+cos(x))2r=2/(1+cos(x)) 相关知识点: 试题来源: 解析 【解析】Rewrite the equation as1+o()2/(1+cos(x))=rSolve for cos(z).cos(x)=2/r-1 T ake the inversecosine of both sides of the equation to extract from inside the cosine.x=arccos(2/r-1) ...
8sin(x)=−tan(x)8sin(x)=-tan(x)Divide each term in 8sin(x)=−tan(x)8sin(x)=-tan(x) by −tan(x)-tan(x) and simplify. Tap for more steps... −8cos(x)=1-8cos(x)=1Divide each term in −8cos(x)=1-8cos(x)=1 by −8-8 and simplify. Tap for more steps...
Move ( (((sin))^2(x))((cos)(x))) to the left side of the equation by subtracting it from both sides.( (sec)(x)-(cos)(x)-(((sin))^2(x))((cos)(x))=0)Rewrite ( (sec)(x)) in terms of sines and cosines.( 1((cos)(x))-(cos)(x)-(((sin))^2(x))...
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If you graph the cosine function for every possible angle, it forms a repeating up/down curve. This is known as a cosine wave. The curve begins at the maximum, (0, 1), because cos(0) = 1. As cosine approaches π/2, the value decreases to the x-axis. The value then continues to...