( x=(arccos)(1/2))The exact value of ( (arccos)(1/2)) is ( (π )/3).( x=(π )/3)The cosinefunction is positive in the first and fourth quadrants. To find the secondsolution, subtract the reference angle from ( 2π ) to find the solution in the fourth quadrant.( x...
百度试题 结果1 题目Solve for x y=cos(x) ( 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))...
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...
cos(xy) Evaluate cos(xy) Differentiate w.r.t. x −ysin(xy)
( (0.34202014+(cos)(x))⋅ (sec)(x)=0/((cos)(x)))Rewrite ( (sec)(x)) in terms of sines and cosines.( (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=...
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...
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...
What rules were used to find that sin(2/x)−(2/x)cos(2/x) is the derivative of y=xsin(1/x)? https://math.stackexchange.com/q/1190700 You can use the product rule f(x)⋅g(x)=(x)⋅...
【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) ...
2θ+θ=2π3. This simplifies to: 3θ=2π3. Step 6: Solve for θ Dividing both sides by 3 gives: θ=2π9. Step 7: Substitute back to find x Since x=tan(θ), we have: x=tan(2π9). Final Answer Thus, the solution for x is: x=tan(2π9). ...