निम्नलिखित को सिद्ध कीजिये- sin35^(@) si...

निम्नलिखित को सिद्ध कीजिये- `sin35^(@) sin55^(@) -cos35^(@) cos55^(@)=0`

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sin 85^(@)-sin 35^(@) - cos 65^@

Prove that sin85^(@) - cos65^(@) +cos55^(@)=0

Evaluate: sin 35^(@) cdot sin 55^(@) - cos 35^(@) cdot cos 55^(@).

Find the value : Sin35^@sin55^@-Cos35^@Cos55^@

Find the value of sin55^(@)-cos35^(@) ?

Evaluate: sin^(2)35^(@)-cos^(2)55^(@)

show that sin35sin55-cos35cos55=0

The value of (sin 85^(@)-sin 35^(@))/(cos 65^(@))=

Prove that sin 55^(@) - cos55^(@) = sqrt2 sin 10^(@)

Evaluate : (sin 35^(@) cos 55^(@) + cos 35^(@) sin 55^(@))/ (cosec^(2) 10^(@) - tan^(2) 80^(@))