I don't understand how to do maths mostly because I don't understand why formulae works they way they do or the reasoning behind equations and etc. I tried explain the (sin 2 theta) double-side...
I don't understand how to do maths mostly because I don't understand why formulae works they way they do or the reasoning behind equations and etc. I tried explain the (sin 2 theta) double-side...
1Alltrigonometric equations are identities. true or false? My answer: false 2 cos a/2= +/- √(1-cosa)/2 True or false? False...
Use trigonometric identities to find the exact value of tan(5π/8).
Use trigonometric identities to find the exact value of cos(5π/8).
tan^2x+sec^2x=1 true or false? for all values of x Uhm I think false? tan^2 x+1=sec^2x. So to get 1 on the other side of the...
sin theta + sin 3 theta = tan theta sec theta Show that the right side equals the left side
a) -1/3 b) 1/3 c) - sqrt1/6 d) sqrt1/6 I think it is either c or d. I'm confused on whether it is negative or positive. If it is in quadrant 4, wouldn't y be...
Find the exact value of cos(11p/8) A) √(2+√2)/4 B) √(2-√2)/4 C) - √(2-√2)/4 D) -√(2+√2)/4 I think it is either c or b To...
A) √(2+√2)/4 B) √(2-√2)/4 C) - √(2-√2)/4 D) -√(2+√2)/4 2) 1 + cos (12x)= a)2cos^2(12x) b)...
tan^2x+sec^2x=1 true or false? for all values of x 2) cos2a=2cos^2a-1 for ALL values of a true or false? 3) sin(-x)=-sinx for all values...
please show me any steps you are able to
The vertical displacement of the end of a robot arm (in cm) at time t (in [16 marks] seconds) is given by y = 8 + 7 cos 3t + 7 cos 6t: (a) Find all times, t > 0, (in...
establish identity 1-cos(2x)=tan(x)sin(2x) (1+cosθ)tan θ/2 =sinθ
( cos x + sinx )2 1 + 2 sinx cos x = cos x tan x csc x
The Value (5π)/4 is a solution for the equation 3√2cscθ+5=-1 true or false Please explain this to me? there is no solution to the equation secx=0 true...
The question asks to the nearest minute, it also asks express 172.45 as an angle.
I'd like to know how to solve this problem We are learning trigonometric identities
Solve sin(x)(sinx+1)=0 a)+/- πn, x=π/2 +/-2πn b) π/n+/- 2πn, x=3π/2+2πn c) x=+/- πn d) +/-πn, x=3π/2 +/- 2πn I...
If 270º <x< 360º , show that √(2+√(2+2cosx)) = 2 sin x/4. Thank You! :)
2cscx+5=1 solve on the interval [0,2π) a) π/3, 5π/3 b) π/6, 5π/6 c) 2π/3, 4π/3 d)7π/6, 11π/6 2) solve...