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[" (Prove that): "],[qquad [+cos105^(@)=...

[" (Prove that): "],[qquad [+cos105^(@)=cos45^(@)],[" ret (Short Answer Type Questions) "]" (ii) "tan15^(@)+cot15^(@)=4]

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cos15^(@)+cos105^(@)=

sin15^(@)+cos105^(@)=?

Prove that: s in105^(@)+cos105^(0)=cos45^(@)

Prove that sin 105^(@) + cos 105^(@) = cos 45^(@)

sin 15^(@) + cos 105 ^(@) =

Prove that: sin 105^@+cos 105^@=cos 45^@

sin15^@+cos105^@=

Prove that : sin 105^@ + cos 105^@ = cos 45^@ .

Prove that: sin 105 ^(@) + cos 105 ^(@) = cos 45 ^(@)