Find the principal and general solutions of the following equati

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 Multiple Choice QuestionsShort Answer Type

131. Find the principal and general solutions of the following equations:

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132. Find the principal and general solutions of the following equation:

sec space straight x space equals space 2


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133. Find the principal and general solutions of the following equation:

cot space straight x space equals space minus square root of 3




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134. Find the principal and general solutions of the following equation:

cosec space straight x space equals space minus 2







cosec space straight x space equals space minus 2

rightwards double arrow        sin space straight x space equals space minus 1 half space is -ve   rightwards double arrow x lies in quadrant III and IV.

∴         sin space straight x space equals space minus 1 half space equals space 30 degree space equals space sin space left parenthesis 180 degree plus 30 degree right parenthesis or <pre>uncaught exception: <b>mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied</b><br /><br />in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56<br />#0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array)
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                    <pre>uncaught exception: <b>mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied</b><br /><br />in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56<br />#0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array)
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rightwards double arrow       sin space straight x space equals space sin fraction numerator 7 straight pi over denominator 6 end fraction space space or space space sin fraction numerator 11 straight pi over denominator 6 end fraction

∴   The principal solutions are: <pre>uncaught exception: <b>mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied</b><br /><br />in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56<br />#0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array)
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Now,                     <pre>uncaught exception: <b>mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied</b><br /><br />in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56<br />#0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array)
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rightwards double arrow                             straight x equals space nπ space plus space left parenthesis negative 1 right parenthesis to the power of straight n space open parentheses negative straight pi over 6 close parentheses comma space space straight n space element of space straight Z


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135. Find the general solution of the following equation:

<pre>uncaught exception: <b>mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied</b><br /><br />in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56<br />#0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array)
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136. Find the general solution of the following equation:

sin space 2 straight x space equals space cos space straight x space.










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137. Find the general solution of the following equation:

sin x + sin 3x + sin 5x = 0










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138. Find the general solution of the following equation:

cos 3x + cos x - cos 2x = 0










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139.

Find the general solution of:

2 space cos squared straight x space minus space 5 space cosx space plus space 2 space equals space 0

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140.

Find the general solution of:

space space space 4 space sin squared straight theta space minus space 8 space cosθ space plus space 1 space equals 0

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