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Theta is acute and alpha

Theta is acute and alpha is obtuse . It is known that sin theta=2/5 and cosec alpha =2. Compute the exact values ofa) sec theta
1. 2 answers
2. asked by Kelly
3. 882 views
express 20sin theta + 4 cos theta as R sin(theta + alpha)R sin(theta + alpha) = R cos(alpha)sin(theta) + R sin(alpha)cos(theta)
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2. asked by paul c
3. 692 views
Theta and alpha are each acute angles in standard position.Sin theta =3/5 and cos alpha=12/13 determine cos(alpha+theta)
1. 1 answer
2. 86 views
Theta and alpha are each acute angles in standard position. Sin theta=3/5 and cos alpha=12/13. Determine cos(alpha+theta)
1. 1 answer
2. 92 views
Suppose that \Theta takes values in [0,1] and its PDF is of the formf_{\Theta }(\theta )= a\theta (1-\theta )^2,\ \ \
1. 1 answer
2. 363 views
Calculate the exact values of the cot(theta) and sin(theta) for the acute angle theta if sec(theta)= the square root of 6.Thank
1. 2 answers
2. asked by Jill
3. 1,136 views
a) Express f(theta) = 4cos theta - 6sin theta in the form r cos(theta + alpha)b) Hence find the general solution of the equation
1. 3 answers
2. asked by Becky
3. 1,342 views
Let \mathcal{R_1} be a Bayesian confidence region of level \alpha _1 for a parameter \theta given observations X_1,\dots ,X_ n.
1. 1 answer
2. 135 views
The angles of elevation theta and alpha to an airplane from the airport control tower and from an observation post 2 miles away
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2. asked by l
3. 1,102 views
If theta is acute, show that from a diagram, that cot(90-theta) = tan theta and hence simplify tan76°/cot16°ty
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2. asked by nicholarly
3. 431 views