Math, asked by shivangi0508, 7 months ago

Solve
Cos² 45°+ Sin² 30°

Answers

Answered by sajjadsupari9
2

Answer:

nahi ataa

Step-by-step explanation:

thanks for the free points lolll

Answered by 2797neil
11

Answer:

Cos² 45°+ Sin² 30° = 3/4

Step-by-step explanation:

cos^{2} 45 + sin^{2}30

cos 45 = \frac{1}{\sqrt{2} }   & sin 30 = \frac{1}{2}

(\frac{1}{\sqrt{2}  } )^{2} +(\frac{1}{2}) ^{2}

\frac{1}{2} +\frac{1}{4}

\frac{2+1}{4}

⇒  \frac{3}{4}

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