Sin^(2) 20^(0)+sin^(2) 70^(0)=...

`Sin^(2) 20^(0)+sin^(2) 70^(0)=`

A

1

B

0

C

`-1`

D

`1/2`

Verified by Experts

Sin^(2) 20^(0)+sin^(2) 70^(0)=
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सिद्ध करो : (cos 70^(@))/(sin 20^(@))+ ( cos 59^(@))/( sin 31^(@))-8...
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ఈ క్రింది వాటిని పరిశీలించండి: i) sin^(2) 20^(0) + sin^(2) 70^(0)=1 ii...
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Find the value of sin^(2)20^(@)+sin^(2)70^(@)
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