Advertisements
Advertisements
प्रश्न
Choose the correct alternative answer for the following question.
sin \[\theta\] cosec \[\theta\]= ?
विकल्प
1
0
\[\frac{1}{2}\]
\[\sqrt{2}\]
Advertisements
उत्तर
\[\sin\theta cosec\theta\]
\[ = \sin\theta \times \frac{1}{\sin\theta}\]
\[ = 1\]
Hence, the correct answer is 1 .
APPEARS IN
संबंधित प्रश्न
If \[\sin\theta = \frac{7}{25}\], find the values of cosθ and tanθ.
Prove that:
cos2θ (1 + tan2θ)
Prove that:
Prove that:
(secθ - cosθ)(cotθ + tanθ) = tanθ.secθ.
Prove that:
Prove that:
If \[\tan\theta + \frac{1}{\tan\theta} = 2\], then show that \[\tan^2 \theta + \frac{1}{\tan^2 \theta} = 2\]
Prove that:
Choose the correct alternative answer for the following question.
cosec 45° =?
Choose the correct alternative answer for the following question.
Prove the following.
(secθ + tanθ) (1 – sinθ) = cosθ
Prove the following.
sec2θ + cosec2θ = sec2θ × cosec2θ
Prove the following.
cot2θ – tan2θ = cosec2θ – sec2θ
Prove the following.
Prove the following:
sec6x – tan6x = 1 + 3sec2x × tan2x
Choose the correct alternative:
sinθ × cosecθ =?
If sinθ = `8/17`, where θ is an acute angle, find the value of cos θ by using identities.
