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प्रश्न
Evaluate:
`sec26^@ sin64^@ + (cosec33^@)/sec57^@`
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उत्तर
`sec26^@ sin64^@ + (cosec33^@)/sec57^@`
= `sec(90^@-64^@)sin64^@ + (cosec(90^@-57^@))/sec57^@`
= `cosec64^@sin64^@ + sec57^@/sec57^@`
= 1 + 1
= 2
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