# calculus

7cosx+5sinx=2k+1

6
35
3
14

1. 👍 0
2. 👎 0
3. 👁 148

## Similar Questions

1. ### math

prove that cosx(tanx+2)(2tanx+1)=2secx+5sinx

asked by krishan on June 18, 2012
2. ### Calculus

1. Locate the absolute extrema of the function f(x)=cos(pi*x) on the closed interval [0,1/2]. 2. Determine whether Rolle's Theorem applied to the function f(x)=x^2+6x+8 on the closed interval[-4,-2]. If Rolle's Theorem can be

asked by Cynthia on October 30, 2012
3. ### math

Differentiate from first principle: i) y=x^2-3x ii) y=5sinx

asked by Foster on July 20, 2018
4. ### Maths

Express each of the following in the form Rsin(x+a), where r>0 and 0< a

asked by Annicka on January 15, 2013
5. ### precalc

f(x) =pi/2-x g(x)= 5sinx/8+cos x find (gof)(pi/2) and (fof)(pi/2)

asked by juli on January 24, 2012
1. ### calculus 2

what is the polar area between r=5sinx and r=5cosx

asked by Steven on December 7, 2011
2. ### MATH (Problem Solving)

Find the general solution algebraically. 2 cos^2x=7cosx-3

asked by Anonymous on September 5, 2009
3. ### trig equations

Find all solutions (if they exist)for the given equation on the interval [0,2pi) cos^2x-5sinx+5=0

asked by Elan on March 4, 2015
4. ### Pre-Cal

Solve 5sinx=-4cosx for 0 less than or equal to x

asked by james on January 10, 2010
5. ### math

If f(x)=5cos(2ln(x)), find f'(x). My answer is (-5sinx)(2lnx)+(5cosx)(1/x) I just did the product rule can you verify if this is correct please!

asked by aman on October 29, 2009
6. ### Maths - trig

Solve 3cos2x - 7cosx = 0, when 0

asked by Rose on October 3, 2010