Ano ang slope ng tangent line ng r = 2theta-3sin ((13theta) / 8- (5pi) / 3) sa theta = (7pi) / 6?

Ano ang slope ng tangent line ng r = 2theta-3sin ((13theta) / 8- (5pi) / 3) sa theta = (7pi) / 6?
Anonim

Sagot:

#color (blue) (dy / dx = ((7pi) / 3-3 sin ((11pi) / 48) cos ((7pi) / 6) + 2- (39/8) cos ((11pi) / Sinuman (7pi) / 6)) / (- (7pi) / 3-3 kasalanan ((11pi) / 48) kasalanan ((7pi) / 6) + 2- (39/8) cos ((11pi) / 48) cos ((7pi) / 6))) #

SLOPE #color (asul) (m = dy / dx = -0.92335731861741) #

Paliwanag:

Ang solusyon:

Ang ibinigay

# r = 2theta-3 sin ((13theta) / 8- (5 pi) / 3) # sa # theta = (7pi) / 6 #

# dy / dx = (r cos theta + r 'sin theta) / (- r sin theta + r' cos theta) #

dy / dx = (2theta-3 sin ((13theta) / 8- (5 pi) / 3) cos theta + 2-3 (13/8) cos ((13theta) / 8- (5 pi) 3) * sin theta) / (- 2theta-3 sin ((13theta) / 8- (5 pi) / 3) sin theta + 2-3 (13/8) cos ((13theta) / 8- 5 pi) / 3) cos theta) #

Pagsuri # dy / dx # sa # theta = (7pi) / 6 #

# dy / dx = (2 ((7pi) / 6) -3 kasalanan ((13 ((7pi) / 6)) / 8- (5 pi) / 3) cos ((7pi) / 6) + 2-3 (13/8) cos ((13 (7pi) / 6)) / 8- (5 pi) / 3) * (7pi) / 6) / (6pi) / 6)) / 8- (5 pi) / 3) kasalanan ((7pi) / 6) + 2-3 (13/8) cos ((13 (7pi) / 6)) / 8- (5 pi) / 3) cos ((7pi) / 6)) #

# dy / dx = ((7pi) / 3-3 sin ((91pi) / 48- (5 pi) / 3) cos ((7pi) / 6) + 2- (39/8) cos (((5 pi) / 3) * kasalanan ((7pi) / 6)) / (- (7pi) / 3-3 kasalanan ((91pi) / 48- (5 pi) / 3) sin (7pi) / 6) + 2- (39/8) cos ((91pi) / 48- (5 pi) / 3) cos ((7pi) / 6)

#color (blue) (dy / dx = ((7pi) / 3-3 sin ((11pi) / 48) cos ((7pi) / 6) + 2- (39/8) cos ((11pi) / Sinuman (7pi) / 6)) / (- (7pi) / 3-3 kasalanan ((11pi) / 48) kasalanan ((7pi) / 6) + 2- (39/8) cos ((11pi) / 48) cos ((7pi) / 6))) #

#color (asul) (dy / dx = -0.92335731861741) #

# x = r cos theta = (2theta-3 sin ((13theta) / 8- (5 pi) / 3)) * cos theta #

#x = (7pi) / 3-3 kasalanan ((91pi) / 48- (5 pi) / 3) cos ((7pi) / 6) #

#x = (7pi) / 3-3 sin ((11pi) / 48) cos ((7pi) / 6) #

# x = -4.6352670975528 #

# y = r sin angta = (2theta-3 sin ((13theta) / 8- (5 pi) / 3)) * sin theta #

#y = (7pi) / 3-3 kasalanan ((91pi) / 48- (5 pi) / 3) kasalanan ((7pi) / 6) #

#y = (7pi) / 3-3 sin ((11pi) / 48) kasalanan ((7pi) / 6) #

# y = -2.6761727065385 #

Paggamit ng Point-Slope Form:

Ang equation ng tangent line ay

# y-y_1 = m (x-x_1) #

# y - 2.6761727065385 = -0.92335731861741 (x - 4.6352670975528) #

Suriin ang graph:

Pagpalain ng Diyos …. Umaasa ako na ang paliwanag ay kapaki-pakinabang.