14 Answered Questions for the topic Cos

04/29/22

Prove the following is an identity...

Prove that  is an identity. Pleae keep formatting and answer neat and concise thank you!

04/29/22

Complete the following quadratic equation...a) state the other five trigonometric ratios as fractions.

Given a) state the other five trigonometric ratios as fractions.b) determine the value of  to the nearest degree.

04/29/22

Angle theta lies in quadrant 2. Without using a calculator, determine if the following ratios are true or false. Explain your reasoning.

Angle  lies in quadrant 2. Without using a calculator, determine if the following ratios are true or false.  Explain your reasoning.a) b) 

02/04/21

If cos α = 0.923 and cos β = 0.624 with both angles’ terminal rays in Quadrant-I, find the values of (a) cos ( α + β ) = (b) cos ( β − α ) =

I need to find it the the 4th decimal any help would be appreciated?

08/07/20

basic types of haircuts

Name and describe the four basic types of haircuts?

05/25/20

Quadrant type of problem

In a quadrant there are four sides sooo

04/06/20

Verify the conclusion of​ Green's Theorem by evaluating both sides of the equations for the field

Verify the conclusion of​ Green's Theorem by evaluating both sides of the equations for the field F = - 3yi + 3xjTake the domains of integration in each case to be the disk R: x2 + y2 ≤ a2 and its... more
Cos Sen

02/03/20

Help please... what is the value of F(t)?

An oscilloscope shows a wave that starts a cycle at its minimum of 20 units and reaches a maximum of 100 units before completing a five millisecond cycle. Which represents the relationship between... more
Cos Tan

02/03/20

If tanx=60/11 and π<x<3π/2 what is cos(x−π)?

If  and  what is Enter your answer as a fraction in simplest form, like this: 3/14

01/30/20

Which expressions are equivalent to −tan⁡ θ?

1) Which expressions are equivalent to −tan⁡ θ?There may be more than one correct answer. Select all that apply.a) 1/cot(−θ)b) 1/cotθc) tan θd) −1/cotθe) −1/cot(−θ)f) tan(−θ)2) What is the correct... more

01/29/20

If cos x=8/17, and 3π2<x<2π, what is sin(x−π)?

If Tan^2(t)-Sin^2(t)=Sin^a(t)/Cos^b(t), then the positive power a= ALSO the positive power b=

So, I know the first two stepssin^2(t)/cos^2(t) -sin^2(t)sin^2(t)-sin^2(t)cos^2(t)/(cos^2(t)I have no idea what to do after this? I looked and it said to factor but I have no idea why you factor... more

03/11/14

Simplifying an Expression involving sin^-1 x

If 0<x<1, write cos(sin-1 x) as an algebraic expression in x.

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