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Some Applications Of Trigonometry

Question
CBSEENMA10007695

Express the trigonometric ratios sin A sec A, and tan A in terms of cot A.

Solution
cot squared straight A space plus space 1 space equals cosec squared straight A
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This gives <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 #57mkdir(): 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 57<br />#0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 57, Array)
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#6 {main}</pre>
Hence,      sinA space equals space 1 over cosecA equals fraction numerator 1 over denominator square root of cot squared straight A plus 1 end root end fraction
                 secA space equals space 1 over cosA space equals space cosecA over cotA
                            equals space fraction numerator square root of cot squared straight A plus 1 end root over denominator cotA end fraction
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Some More Questions From Some Applications of Trigonometry Chapter