Please help me answer the following question! I'm stuck! Prove that cos6ß + sin6ß = 1/4 + 3/4cos2ß I've tried simplifying out the LHS into (cos2ß)3 + (sin2ß)3,...

Please help me answer the following question! I'm stuck! Prove that cos6ß + sin6ß = 1/4 + 3/4cos2ß I've tried simplifying out the LHS into (cos2ß)3 + (sin2ß)3,...

If angle w is in quadrant III and cos w =a, what is cos(w+pi)?

I'm having trouble solving the above question, as well as the one below tan20+tan10/1-tan20tan10=

trigonometry

As well as this one below. I'm just having trouble understanding the process and steps. Find all the solutions in [0,2pi) sin^2(t)-cos^2(t)=0 3. Solve...

1. Find the exact value of cos(t/2) if sin(t) = -7/25 and pi < t < 3pi/2 2. Find all the solutions in the interval [0,360] cos(2x)= - sqr...

sin((pi)/(6))cos((pi)/(3)) - sin((pi)/(3))cos((PI)/(6))

The sine and cosine functions are used to model periodic behavior. find an internet resource that discusses the periodic behavior.

Find the missing angle below for 0°≤Ø≤90° cos Ø = 1/2

Consider the equation cos(3.14t)=-0.7. Find the smallest positive solution in radians and round your answer to 4 decimal places Consider the equation tan(3.25t)-6.6. Find the smallest...

Without a calculator, find the exact value of: a) sin(120) b) cos(-3Π/4)

What's the value of x if pi≤x≤3pi/2 and sin x=5 cos x?

Match each sine value with an equivalent cosine value(s). sin(0) sin(pi/2) sin(pi) sin(3pi/2) ANSWER CHOICES cos(0)&cos(pi) cos(pi)&cos(3pi/2) c...

(CosA-cosB)2 + (sinA-sinB)2 Can someone help me solve this? and what steps do we take ?

simply simplify the expression. i have to find out if my answer i have is right or wrong

y=cos^4 *x+sin^4 *x

https://www.softchalkcloud.com/file/files/fLBiKduOWPw5yD/CosineCurve.png What is the cosine equation of this graph? What is the range, period, and phase shift? ( do not have to...

The area of the region enclosed by the graph of the polar curve r=1/sin θ+ cos θ and the x and y axes is A) 0.48 B) 0.50 C) 0.52 D) 0.98 E) 1.00

A ladder leans against a wall with its foot 1.5 metres from the wall making for an angle of 45º36' with the ground. How long is the ladder?

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