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Suppose that cos ( θ ) = 2/5, where 0 < θ < π 2. Sketch a
Suppose that cos ( θ ) = 2/5 , where 0 < θ < π 2 . Sketch a possible right triangle containing θ , and use the triangle to find the remaining trigonometric functions. Express your answers as fra… read more
DebdattaBhattacharya
DebdattaBhattacharya
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Doctoral Degree
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I need help with a math problem. I need help with these
Supposeθandφare angles such thatπ < θ <2π,π/2< φ <3π/2,cos(θ) = 8/17, and sin(φ) = 3/5. What is sin(θ−φ)?… read more
DebdattaBhattacharya
DebdattaBhattacharya
Physics and Math tutor
Doctoral Degree
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For what values of θ is cosθ>−sinθ when π2≤θ<3π2? For what
For what values of θ is cosθ>−sinθ when π2≤θ<3π2? … read more
akch2002
akch2002
Master's Degree
3,583 satisfied customers
log10x + log10 (x+3) =1 x=? 3/4x-2/5y =3 y=? cos x=15/17
log10x + log10 (x+3) =1 x=? 3/4x-2/5y =3 y=? cos x=15/17 and sin x less than 0 can you help with steps if possible?… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
1. The electrical signal created by a piece of test equipment
1. The electrical signal created by a piece of test equipment at a specific point in time is described by the function Vinst(t) = 12 × sin(360 × 60 × 6.3 + 79). What is the maximum voltage produced by… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
***Please show full calculations and workings otu*** Question
***Please show full calculations and workings otu*** Question 1) This question concerns the function f(x)=-2x^(3) - 9x^(2) + 24x + 40 a) Find the stationary points of this function bi) Using the strat… read more
akch2002
akch2002
Master's Degree
3,583 satisfied customers
Hey Sandyha, I need help on a few questions. 1) Identify
Hey Sandyha, I need help on a few questions. 1) Identify the conic section this equation represents without completing the square: 9x^2+4y^2-36x+8y+31=0 2) Write the equation in terms of a rotated x'y… read more
Sandhya
Sandhya
Master's Degree
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For Chirag: Last one for now - and I think its along the
For Chirag: Last one for now - and I think it's along the same lines. Use most appropriate method to solve equation on the interval [0,2π) Solve for Θ; 0 ≤ Θ < 360 cot²ΘsinΘ=cot²Θ cot²ΘsinΘ-cot²Θ=0… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
For Chirag: Thank you for finding a missing answer to a
For Chirag: Thank you for finding a missing answer to a question posted by another Expert. If you can assist with another question or two (with an explanation as to how you arrived at an answer), I wi… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
Solve for Θ; 0 ≤ Θ < 360 2sin²Θ + 3cosΘ = 0 I tried to
Solve for Θ; 0 ≤ Θ < 360 2sin²Θ + 3cosΘ = 0 I tried to use 1-sin²Θ then the distributive property, but it didn't fly on my end. Requesting detailed explanation - not just final answer (I actually w… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
Solve for Θ; 0 ≤ Θ < 360 "solutions in the interval [0,2π)". 5sinΘ-2=3-2
Solve for Θ; 0 ≤ Θ < 360 "solutions in the interval [0,2π)". 5sinΘ-2=3-2sinΘ Solve for Θ (0 <= Θ < 360) I managed to simplify it to: 7sinΘ=5 sinΘ=5/7 Trying to figure out if I'm close with th… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
Solve for Θ; 0 ≤ Θ < 360 3sin²Θ - 17sinΘ = -10 Ive
Solve for Θ; 0 ≤ Θ < 360 3sin²Θ - 17sinΘ = -10 I've managed to solve it as far as follows: 3sin²Θ - 17sinΘ +10 = 0 (3sin²Θ - 2)(sinΘ - 5) = 0 sinΘ = 2/3 sinΘ = 5 Now I'm supposed to solve for Θ. Ac… read more
David
David
Post-Doctoral Degree
2,112 satisfied customers
For David: As you assisted with a previous problem, I would
For David: As you assisted with a previous problem, I would like to follow up with another question that I have more detail for: Solve for x; 0 ≤ x < 360 sin2x = cosx 2sinxcosx - cosx = 0 cosx (2si… read more
David
David
Post-Doctoral Degree
2,112 satisfied customers
Help me.... Given tanθ= -2√10/3 and π/2<θ< π find :? given
Help me.... Given tanθ= -2√10/3 and π/2<θ< π find :? given tanθ= -2√10/3 and π/2<θ< π find: a.sin2θ b.tan θ/2… read more
Sandhya
Sandhya
Master's Degree
7,154 satisfied customers
Hi, I have an question at http //none-questions.blogspot.com/2011/09/mm-q4.html.
Hi, I have an question at http://none-questions.blogspot.com/2011/09/mm-q4.html. Can someone please take a look?… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
If Im being asked to solve sin 0.75, the answer being 0.84 Whats
If I'm being asked to solve sinθ = 0.75, the answer being 0.84 What's going on here? The solution claims I should arrive at something to the effect of θ = sin-¹ (0.75) How can sin be to the power of n… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
The equivalent impedance Z of two impedances Z1 and Z2 in parallel
The equivalent impedance Z of two impedances Z1 and Z2 in parallel is given by the formula: 1/Z = 1/Z1 + 1/Z2 If Z1 = 3 + J2 and Z2 = 1 - j3, Calculate Z giving your answer in the form r(cos θ + j sin… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
2/n + 3/n add and simplify -------- -4v/9 * 8/v^5 simplify
2/n + 3/n add and simplify -------- -4v/9 * 8/v^5 simplify product -------- r/56 = r/49 + 1/8 what is r -------- Find the exact value of cos 3pi/8 using the half angle identity -------- Find the exact… read more
Hasan
Hasan
Bachelor's Degree
1,919 satisfied customers
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