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प्रश्न
Choose the correct alternative:
sec2θ – tan2θ =?
विकल्प
0
1
2
`sqrt(2)`
उत्तर
1
1 + tan2θ = sec2θ
∵ sec2θ – tan2θ = 1.
APPEARS IN
संबंधित प्रश्न
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To prove cot θ + tan θ = cosec θ × sec θ, complete the activity given below.
Activity:
L.H.S = `square`
= `square/sintheta + sintheta/costheta`
= `(cos^2theta + sin^2theta)/square`
= `1/(sintheta*costheta)` ......`[cos^2theta + sin^2theta = square]`
= `1/sintheta xx 1/square`
= `square`
= R.H.S
