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प्रश्न
Write the value of ` cosec^2 (90°- theta ) - tan^2 theta`
उत्तर
`cosec ^2 (90°- theta )- tan^2 theta `
=` sec^2 theta - tan^2 theta`
= 1
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संबंधित प्रश्न
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Activity:
L.H.S = `square`
= `square (1 - (sin^2theta)/(tan^2theta))`
= `tan^2theta (1 - square/((sin^2theta)/(cos^2theta)))`
= `tan^2theta (1 - (sin^2theta)/1 xx (cos^2theta)/square)`
= `tan^2theta (1 - square)`
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= R.H.S
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