If sinϴ=-√5/5 and 180°<ϴ<270°, find tan ϴ

If sinϴ=-√5/5 and 180°<ϴ<270°, find tan ϴ

-sin(3x+2π)+cos(-3x)•tan(π-3x)

Its two questions Prove if this is true or false 1-sinϴ • cosϴ •tanϴ=cos^2ϴ and cos^2ϴ • tanϴ= sinϴ

Please show clear steps! Thank you!

Hint: For the first part use the definition of the tangent function. For the second part use the third binomial formula: (a+b)(a-b)=a^2-b^2 Can you please show clear steps on...

Please write in terms of sine and cosine!

Took a quiz in precal and this question completely stumped me to the point of writing it down to try and figure it out later. I know you would start with the left side but that’s as far as I have...

the period T of a sine wave is found to be 50µs. determine the angular velocity and frequency of the wave

given cosθ=0.400 and θ in 1st quadrant, find sin θ and tan θ

list all the values that satisfy (x,1/2)

QUESTION 3 ONLY : https://dl2.pushbulletusercontent.com/fVBs4G3IBTebCiBeZhjVJKpzRFTXjvtu/IMG_20170926_211422_HDR.jpg

Express in decimal form to one place

cotangent(Θ +5)=tangent(Θ + 35)

Find the length of the arc s in the figure. (Assume r = 5 and θ = 128°.) I have been working at this problem for an hour now! I do not understand this problem. The crazy thing is that I...

Find an angle between 0 and 2π that is coterminal with the given angle 11. I do not understand this problem at all and i have been working at it for an hour now. I am familiar with coterminal angles...

a resistor and an inductor are in series , if R=770Ω and Xc=1100Ω. find tan θ and θ in degrees.

given cosθ=9/13 and sin θ negative, find θ in degrees between 0 and 360 degrees.

cos 6x sin 2x=? Hint: (1/2)(_____-_____)

Use power-reducing identities to write the given trigonometric expression in terms of first power of cosine function. answer: sin4x cos2x=____ /____(1-cos2x-___+cos2x___) "___"...

Here's the exact formatting, If cos(t)=−7/9cos(t), where π<t<3π2π<t<3π2, find the value of the following trigonometric function cos(2t)

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