Question

Provethe following identities : 1) 1/1–cosx – 1/1+cosx = 2sinx tanx + 2cos2x / sinxtanx

Provethe following identities : 1) 1/1–cosx – 1/1+cosx = 2sinx tanx + 2cos2x / sinxtanx

Math   Precalculus   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Manipulating with the left side

take LCM

[(a+b)(a-b)=a2-b2]

use the following identity 1 - cos2x=sin2x

Manipulating with the right side

express in term of sin and cos

LHS is not equal to RHS

there is no identity

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
is 2cosx*sinx the same thing as 2sinx*cosx?
is 2cosx*sinx the same thing as 2sinx*cosx?
Consider the following functions f(x) =x^2, g(x) = lnx, h(x) = cosx For each of the...
Consider the following functions f(x) =x^2, g(x) = lnx, h(x) = cosx For each of the following parts, you may use compositions, products, and sums of thefunctions above, but no others. For example, we can combine in the following waysh(g(x)) = cos(lnx), or g(x)h(x) = lnxcosx, or g(x) +h(x) = lnx+ cosx show how derivative rules apply to the function you came up within order to produce the requested derivative. 1)A functionk(x) whose derivative is k′(x) = −tanx= -(sinx/cosx) 2)...
1. What is the derivative of f(x) = cosx/sinx 2. What is the derivative of f(x)...
1. What is the derivative of f(x) = cosx/sinx 2. What is the derivative of f(x) = cos^-1 (3x) 3. What is the second derivative of tanx/secx 4. True or False: If f'(x) = 2^x, then a possible equation for f is f(x) = 2^x +3 5. True or False: The equation x^2 + y^2 = 100 is an implicit curve
How many solutions will 2sinx(3cosx−1)=0
How many solutions will 2sinx(3cosx−1)=0
Express the following in cartesian form a+ib . 1/(1+cosx+isinx)
Express the following in cartesian form a+ib . 1/(1+cosx+isinx)
find the derivative of the following function y=tanx+4cscx
find the derivative of the following function y=tanx+4cscx
If y= 1/(1+tanx)^2 ,find y' y''
If y= 1/(1+tanx)^2 ,find y' y''
lim x→0 ((1+sin)^cotx-e)/tanx How can I solve it? lim x→0 ((1+sinx)^cotx-e)/tanx I missed x
lim x→0 ((1+sin)^cotx-e)/tanx How can I solve it? lim x→0 ((1+sinx)^cotx-e)/tanx I missed x
Use the differential equation (1−x)y''−4xy'+5y=cosx(1-x)y′′-4xy′+5y=cosx to answer the following questions: What is the type of the...
Use the differential equation (1−x)y''−4xy'+5y=cosx(1-x)y′′-4xy′+5y=cosx to answer the following questions: What is the type of the differential equation? Ordinary differential equation Partial differential equation Is the differential equation linear or nonlinear? Linear Nonlinear What is the order of the differential equation?
limx->pi-(3+sinx/1-cosx)
limx->pi-(3+sinx/1-cosx)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT