Question

Evaluate:
${cos}^{2} {230}^{°} + {sin}^{2} {230}^{°}$
​

Answer 1

Answer:

1

Step-by-step explanation:

As we know that,

$\sin {}^{2} ( \alpha {}^{} ) + \cos {}^{2} ( \alpha ) = 1$

hence,sin^2 230° + cos^2 230° = 1