CBSE 2025 · Region 2 · Set 3 · Q2 · 1 mark
If $\displaystyle \sin \theta=\cos \theta\left(0^{\circ}<\theta<90^{\circ}\right)$, then the value of $\displaystyle \sec \theta \cdot \sin \theta$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle 1$
Introduction to TrigonometryTrigonometric RatiosApplymcqeasy
More from Introduction to Trigonometry
- Which of the following statements is true?2025 · asked 3×
- If sin 30^° tan 45^°=( sec 60^°)/(k), then the value of k is:2025 · asked 3×
- Prove that: √( sec A-1)/( sec A+1)+√( sec A+1)/( sec A-1)=2 cosec A OR Prove that: (1/( cos A)- cos A)(1/(…2025 · asked 3×
- Prove that: ( cos θ-2 cos^3 θ)/( sin θ-2 sin^3 θ)+ cot θ=0. OR Given that sin θ+ cos θ=x, prove that sin^4 θ+…2025 · asked 3×
- Prove that ( cos A+ sin A-1)/( cos A- sin A+1)=cosec A- cot A OR If cot θ+ cos θ=p and cot θ- cos θ=q, prove…2025 · asked 3×
- If x cos 60^°+y cos 0^°+ sin 30^°- cot 45^°=5, then find the value of x+2 y. OR Evaluate: ( tan^2 60^°)/(…2025 · asked 3×
- Prove the following trigonometric identity: (1+cosec A)/(cosec A)=( cos^2 A)/(1- sin A) OR Let 2 A+B and A+2…2025 · asked 3×
- In a right triangle ABC, right-angled at A, if sin B = 1/4, then the value of sec B is2025 · asked 3×
CBSE Class 10 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.