I need help with this math problem I have a picture that I can show you of what it is

Mathematics

1 answer:

steposvetlana [31]3 years ago

4 0

Hellllllllllllllllllllllllo

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Find the exact value of csc² 30° + cos² 45°.

natulia [17]

$\large \underline{ \mathbb{QUESTION:}}$

Find the exact value of csc² 30° + cos² 45°.

$\large \underline{ \mathbb{SOLUTION:}}$

$\tt{csc^{2} \: 30^{o} \: + \: cos^{2} \: 45^{o} \: = \: 2^{2} \: + \: ( \frac{1}{ \sqrt{2} }^{2}) }$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \tt{ = \: 4 \: + \: \frac{1}{2} }$

$\:\:\:\:\:\:\:\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \boxed{\tt{ \red{ = \: 4 \frac{1}{2} }}}$