2 cosine squared pi over

solve the equation:4cos2*theta + 3cos*theta + 3 = 0 for values between 0 and 180 degrees If that is cosine squared in the first
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2. asked by Raul
3. 541 views
2sinxcosx+4sin^2xcos^2x=0solve for x in radians between [0,2pi) (I mean that it is sine squared x and cosine squared x not sine
1. 1 answer
2. asked by Emma
3. 480 views
I have to show that for any (pi)A, Sin(A)squared + Cos(A)squared = 1.I don't really get the question... am I supposed to
1. 2 answers
2. asked by David
3. 556 views
Write the equation for the graph of the lemniscate.(1 point) Responses r squared equals negative 7 cosine 2 theta Image with alt
1. 1 answer
2. 74 views
Use identities to find the exact value of the trigonometric expression below.1/cos2 * π/16 - 1/cot2 * π/16 PS: in words, the
1. 1 answer
2. asked by chizoba
3. 597 views
How would I do this problem?Verify that each equation is an identity. cos^2x+tan^2xcos^2x=1 the ^2 is just saying squared. ex.-
1. 1 answer
2. asked by Jill
3. 404 views
Reduce to lowest term:cosine squared theta - 1/ 4 cosine theta + 4
1. 1 answer
2. asked by Norma
3. 394 views
I know the answer to this problem but I have no idea how to get there.Solve for all values of x if 0 is less than or equal to x,
1. 1 answer
2. asked by Katie
3. 488 views
Which of the following parametric equations are equivalent to the polar equation r = 3 cos θ?(1 point) Responses x = 3 cos θ y
1. 1 answer
2. 122 views
What is the largest value of cosine of θ on the unit circle? What is the smallest value of cosine of θ ?(1 point) The largest
1. 1 answer
2. 19 views