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Trigonometric Functions

Short Answer Type

281.

Show that:

$tan space 50 degree space equals space tan space 40 degree space plus space 2 space tan 10 degree$

108 Views

282.

Show that:

$tan space 80 degree space equals space tan space 10 degree space plus space 2 space tan 70 degree$

98 Views

283.

If $tanx space equals space fraction numerator straight a over denominator straight a plus 1 end fraction comma space tany space equals space fraction numerator 1 over denominator 2 straight a plus 1 end fraction comma space straight a not equal to negative 1 comma space minus 1 half comma space show space that space straight x plus straight y equals straight pi over 4.$

104 Views

284.

Find the value of $tan open parentheses fraction numerator 17 straight pi over denominator 12 end fraction close parentheses.$

105 Views

285.

If ABCD is a quadrilateral, show that:

$cosA space cosB space minus space cosC space cosD space equals space sinA space sinB space minus space sinC space sinD$

121 Views

286.

Show that:

$<pre>uncaught exception: mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56 #0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array) #1 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php(56): mkdir('/home/config_ad...', 493) #2 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.class.php(110): com_wiris_util_sys_Store->mkdirs() #3 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/RenderImpl.class.php(231): com_wiris_plugin_impl_FolderTreeStorageAndCache->codeDigest('mml=<math xmlns...') #4 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/TextServiceImpl.class.php(59): com_wiris_plugin_impl_RenderImpl->computeDigest(NULL, Array) #5 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/service.php(19): com_wiris_plugin_impl_TextServiceImpl->service('mathml2accessib...', Array) #6 {main}</pre>$

101 Views

287.

Find the minimum and maximum values of:

$space space cosθ plus sinθ$

114 Views

288.
Find the minimum and maximum values of:

$3 cosα space minus space 4 sinα$

Solution not provided.

Ans. Min: - 5, Max: 5

104 Views

289.

Find the minimum and maximum values of:

$psinθ space minus space qcosθ.$

96 Views

290.

Show : $tan space 2 straight theta space minus space tan space straight theta space equals space tan space straight theta. space sec space 2 straight theta$