$5.00 Solution also attached
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- Posted on Jul. 24, 2008 at 06:29:09AM
A:
Preview: ... = 4/3<br><br>Since sinx cant be greater than 1 so sinx cant be equal to 4/3<br><br>Thus, sinx = 1/2<br>x = 30, 150<br><br>2.)<br>3cos^2x - 3cosx + cosx - 1 =0<br>3cosx(cosx - 1) + (cosx -1 ) = 0<br>(cosx -1 )(3cosx + 1) = 0<br>cosx = 1, cosx = -1/3<br><br>x = 0,360 or x = 109.5,250.5<br><br><br>1.<br>a)sin (360 - 45) = -sin 45 = -1/sqrt2<br>cos(360 - 45 ) = c ...
The full tutorial is about 266 words long plus attachments.
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sol4.txt (1K) (Preview)
$5.00 Trigonometry Practice Questions - Neat and Step-wise Solutions
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- Posted on Jul. 24, 2008 at 11:38:57AM
A:
Preview: ... y – 1 = 0<br>3y(y – 1) + 1(y – 1) = 0 (y – 1)(3y + 1) = 0 y = {1, -1/3}<br> cos x = {-1/3, 1}<br>cos x = -1/3 x = {109.47, 250.53} and cos x = 1 x = {0, 360}<br> x = {0, 109.47, 250.53, 360}<br><br><br>(1) (a) sin 315 = sin(360 – 45) = -sin 45 = -1/Ö2; cos 315 = co ...
The full tutorial is about 422 words long plus attachments.
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Trigonometry.doc (76K) (Preview)
$5.00 ALL CORRECT ANSWERS CHECKED, ALL WORK SHOWN for TRIGONOMETRY
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- Posted on Jul 24, 2008 at 2:29:16PM
A:
Preview: ... NSWERS CHECK ...
The full tutorial is about 9 words long plus attachments.
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ALL CORRECT ANSWERS, VERY NEAT WITH STEP BY ST.doc (29K) (Preview)
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