मराठी

(I)` (1-cos^2 Theta )Cosec^2theta = 1`

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प्रश्न

(i)` (1-cos^2 theta )cosec^2theta = 1`

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उत्तर

LHS= `(1-cos^2 theta) cosec^2 theta`

      =`sin ^2 theta cosec^2 theta           (∵ cos^2 theta + sin^2 theta =1)`

      =`1/(cosec^2theta) ×cosec^2theta`

     =1

Hence, LHS = RHS

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पाठ 13: Trigonometric identities - Exercises 1

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 13 Trigonometric identities
Exercises 1 | Q 1.1
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