Advertisements
Advertisements
प्रश्न
Choose the correct alternative answer for the following question.
sin \[\theta\] cosec \[\theta\]= ?
विकल्प
1
0
\[\frac{1}{2}\]
\[\sqrt{2}\]
उत्तर
\[\sin\theta cosec\theta\]
\[ = \sin\theta \times \frac{1}{\sin\theta}\]
\[ = 1\]
Hence, the correct answer is 1 .
APPEARS IN
संबंधित प्रश्न
If \[\tan \theta = \frac{3}{4}\], find the values of secθ and cosθ
If \[\cot\theta = \frac{40}{9}\], find the values of cosecθ and sinθ.
Prove that:
cos2θ (1 + tan2θ)
Prove that:
Prove that:
(secθ - cosθ)(cotθ + tanθ) = tanθ.secθ.
Prove that: `1/"sec θ − tan θ" = "sec θ + tan θ"`
Prove that:
Prove that:
If \[\tan\theta + \frac{1}{\tan\theta} = 2\], then show that \[\tan^2 \theta + \frac{1}{\tan^2 \theta} = 2\]
Choose the correct alternative answer for the following question.
cosec 45° =?
Prove the following.
(secθ + tanθ) (1 – sinθ) = cosθ
Prove the following.
sec2θ + cosec2θ = sec2θ × cosec2θ
Prove the following.
Prove the following.
If sinθ = `8/17`, where θ is an acute angle, find the value of cos θ by using identities.
In ΔPQR, ∠P = 30°, ∠Q = 60°, ∠R = 90° and PQ = 12 cm, then find PR and QR.
ΔAMT∼ΔAHE, construct Δ AMT such that MA = 6.3 cm, ∠MAT=120°, AT = 4.9 cm and `"MA"/"HA"=7/5`, then construct ΔAHE.
