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Find the value of $( sin^{2}33^{o} + sin^{2}57^{o})$.
Given: $( sin^{2}33^{o} + sin^{2}57^{o})$.
To do: To find its value.
Solution:
$sin^{2}33^{o} + sin^{2}57^{o}$
$=sin^{2}33^{o}+cos^{2}(90^{o} -57^{o})$
$=sin^{2}33^{o}+cos^{2}33^{o}$
$=1$
Updated on: 10-Oct-2022
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