मराठी

Write the Value of `(1+ Tan^2 Theta ) ( 1+ Sin Theta ) ( 1- Sin Theta)`

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प्रश्न

Write the value of `(1+ tan^2 theta ) ( 1+ sin theta ) ( 1- sin theta)`

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उत्तर

`(1+ tan^2 theta )(1+ sin theta )(1- sintheta)`

    =` sec^2 theta (1- sin^2 theta )`

    =`1/ cos^2 theta xx cos^2 theta`

    = 1

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पाठ 13: Trigonometric identities - Exercises 3

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 13 Trigonometric identities
Exercises 3 | Q 12

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