How do i find cos(2arctan(7/24))

I need help with I just can't seem to get anywhere. this is as far as I have got:Solve for b arcsin(b)+ 2arctan(b)=pi
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2. asked by Jen
3. 708 views
How do i findcos(2arctan(7/24)) Thanks.
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2. asked by Jen
3. 895 views
Evaluate the integral: the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this
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2. asked by Kristina
3. 418 views
Evaluate the integral:the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this
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2. asked by Adam
3. 1,008 views
Evaluate the integral:the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this
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2. asked by Adam
3. 445 views
Evaluate cos[2arctan(2)]Need step by step for this one. Thanks
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2. asked by Matg
3. 369 views
Given the function: f(x) = x^2 + 1 / x^2 - 9a)find y and x intercepts b) find the first derivative c) find any critical values
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2. asked by Gabby
3. 885 views
Given the function: f(x) = x^2 + 1 / x^2 - 9a)find y and x intercepts b) find the first derivative c) find any critical values
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2. asked by Gabby
3. 1,790 views
Let equation of an hyperbola be y^2-4x^2+4y+24x-41=0a. Find the standard form b. Find the center c. Find the vertices d. Find
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2. asked by Anonymous
3. 797 views
For the following graph:a. Find the domain of f. b. Find the range of f. c. Find the x-intercepts. d. Find the y-intercept. e.
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2. asked by seth
3. 1,875 views