निम्नलिखित के मान ज्ञात करें । (i) si...

निम्नलिखित के मान ज्ञात करें ।
(i) ` sin 48^(@) * sec 42^(@) + cos 48^(@) * cosec 42^(@)`
(ii) `tan 35^(@) * tan 40^(@) * tan 45^(@) * tan 50^(@) * tan 55^(@)`
(iii) ` (cos 75^(@))/(sin 15^(@)) + (sin 12^(@))/(cos 78^(@)) - (cos 18^(@))/(sin 72^(@)) `
(iv) `((sin 47^(@))/(cos 43^(@)))^(2) + ((cos 43^(@))/(sin 47^(@)))^(2) - 2 cos^(2) 45^(@)`

Similar Questions

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Evaluate: ((sin47^(@))/(cos43^(@)))^(2)+((cos43^(@))/(sin47^(@)))^(2)-4cos^(2)45^(@)

((sin48^(@))/(cos42^(@)))+((cos48^(@))/(sin42^(@)))=2

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(sin48^(@))/(cos42^(@))+(cos48^(@))/(sin42^(@))=2

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((tan35 ^ (@)) / (cot55 ^ (@))) + ((cos78 ^ (@)) / (sin (12 ^ (@)))) - 1

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