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:

$sin^{2}33^{o} + sin^{2}57^{o}$

$=sin^{2}33^{o}+cos^{2}(90^{o} -57^{o})$

$=sin^{2}33^{o}+cos^{2}33^{o}$ 

$=1$
 

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Updated on: 10-Oct-2022

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