11/01/18

How do I simplify this using trig identities?

-sec2(-x)+ sin2(-x)+ cos2(-x)

11/01/18

Geometry Proof - please help

Step 1: Draw a right triangle. Label the acute angles as angles A and B. Label the right angle as angle C. Step 2: Prove the acute angles of a right triangle are complementary. Given: Triangle ABC... more

10/31/18

a=8, c=16, B=60 degree

find the area( in square units) for triangle described

10/31/18

A farmer plans to

the farmer plans to make a pen against the side of a barn that is divided into three rectangular portions, each with an area of 120 square meters. Assuming that no fence needed along the side of... more

10/30/18

So I basically have a A+ for my grade and I got a 33% on a test. what will my grade drop to?

Also what would happen to my grade if I got a 100% on another quiz, what would my grade then be?

10/30/18

how factor form

Given P(x)=x3+4x2+16x+64, find the zeros, real and non-real of P The zeros are  4,4i,-4iWrite P in complete factored form (as a product of linear factors). P(x)= (x+4)(x^2+16) i got it wrong

10/30/18

polynomial in standard form that has the following characteristics.

leading coefficient: -1/2zeros: -6, -2, -i

Evaluate an indefinite integral (Trig)

∫ (cosθ/sin2θ) dθHow would you evaluate this function? I saw a substitution method but I wasn't taught that in my class so I don't think I want to be using that way, unless it's the only way. The... more

Math Problem #29

Write an equation for the transformation: y=x^2, 4 units right, reflection over the x-axis

Integral Calculus

Find ∫0pi g"(t)dt given that g(t)=∫1sin(t)[√x2+1] dx

10/29/18

If f(4)=-8, then what is f-1(-8)?

If f(4)=-8, then what is f-1(-8)?

10/28/18

What is the arthemetic sequence for 1.77, 1.92, 2.07

10/28/18

given f(x) = 3x-1 and g(x)= 2x+5 find (f+g)(x+1)

Proving. By integration

If F(x) = integral (from 1 to x) [f(t)]dt , where f(t) = integral (from 1 to t^2) [(sqrt1+u^2)/u]du, find F"(2)

Integral Proving

1.Find integral (from 0 to pi) [g"(t)]dt given that g(t) = integral (from 1 to sin(t)) [sqrtx^2+1]dx

10/27/18

Calculus Funnel Question

A funnel has a radius of 4in and a height of 12in. If sand is leaving the funnel at a rate of π /2 in3/s, then how fast is the height of the sand in the funnel falling when it is 7 in... more

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