Question

If sin A = cos A,find the value of 2²A − 2²A+ 5​

Answer 1

Step-by-step explanation:

$\sin( \frac{\pi}{4} ) = \cos( \frac{\pi}{4} )$

${2}^{2} \frac{\pi}{4} - {2}^{2} \frac{\pi}{4} + 5$

@

$5$