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Find the value of cosec 42 …

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Find the value of cosec 42 ÷sec 48

Posted by Anamika Singh 6 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Sia ? 6 years, 5 months ago

{tex}\frac { \text{cosec} 42 ^ { \circ } } { \sec 48 ^ { \circ } }{/tex}
{tex}= \frac { \text{cosec} 42 ^ { \circ } } { \sec \left( 90 ^ { \circ } - 42 ^ { \circ } \right) }{/tex}
{tex}= \frac { \text{cosec} 42 ^ { \circ } } { \text{cosec} 42 ^ { \circ } } = 1{/tex}

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