Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Trigonometric Functions

Short Answer Type

371.

If $cosx space equals space 1 half open parentheses straight p plus 1 over straight p close parentheses comma$ show that:

$2 space cos space 4 straight theta space equals space open parentheses straight p to the power of 4 plus 1 over straight p to the power of 4 close parentheses$

113 Views

372.
Prove that: $space space space space space space fraction numerator sin space 5 straight x minus 2 sin space 3 straight x space plus space sin space straight x over denominator cos space 5 straight x space minus space cos space straight x end fraction equals space tan space straight x$

Solution not provided.

114 Views

373.

Show that: $sin squared straight A plus sin squared space left parenthesis straight A minus straight B right parenthesis minus 2 space sinA space cosB space sin left parenthesis straight A minus straight B right parenthesis equals sin squared straight B$

105 Views

374.

Show that:

$4 space sin space straight A space sin space straight B space sin space straight C space equals space sin space left parenthesis straight B plus straight C minus straight A right parenthesis plus sin space left parenthesis straight C plus straight A minus straight B right parenthesis plus sin space left parenthesis straight A plus straight B minus straight C right parenthesis minus sin space left parenthesis straight A plus straight B plus straight C right parenthesis$

116 Views

375.

Prove that:

$space space space cos squared straight x plus cos squared open parentheses straight x plus straight pi over 3 close parentheses plus cos squared open parentheses straight x minus straight pi over 3 close parentheses equals 3 over 2$

107 Views

376.

Find the principal solutions of the equation:

$tanx space equals space minus fraction numerator 1 over denominator square root of 3 end fraction$

98 Views

377.

Find the principal solutions of the equation:

$sinx space equals space minus 1 half$

122 Views

378.

Find the principal solutions of the equation:

$cosx equals fraction numerator negative square root of 3 over denominator 2 end fraction$

127 Views

379.

Find the principal solutions of the equation:

$secx space equals space square root of 2$

101 Views

380.

Find the principal solutions of the equation:

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

108 Views

Previous Year Papers

Test Series

Test Yourself

Short Answer Type

372. Prove that:

372.
Prove that: $space space space space space space fraction numerator sin space 5 straight x minus 2 sin space 3 straight x space plus space sin space straight x over denominator cos space 5 straight x space minus space cos space straight x end fraction equals space tan space straight x$