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Draw a line segment AB of length 10 cm and divide it internally in the ratio of 2:5 Justify the division of line segment AB.
Concept: Division of a Line Segment
Find the distance between the points O(0, 0) and P(3, 4).
Concept: Distance Formula
Show that points A(–1, –1), B(0, 1), C(1, 3) are collinear.
Concept: Distance Formula
For the angle in standard position if the initial arm rotates 25° in anticlockwise direction, then state the quadrant in which terminal arm lies (Draw the figure and write the answer).
Concept: Angles in Standard Position
If `sec alpha=2/sqrt3` , then find the value of `(1-cosecalpha)/(1+cosecalpha)` where α is in IV quadrant.
Concept: Trigonometric Identities (Square Relations)
If `theta = 45^@`, then find `tan theta`.
Concept: Angles in Standard Position
if `cos theta = 5/13` where `theta` is an acute angle. Find the value of `sin theta`
Concept: Trigonometric Identities (Square Relations)
Show that `sqrt((1+cosA)/(1-cosA)) = cosec A + cot A`
Concept: Trigonometric Identities (Square Relations)
If \[\sin\theta = \frac{7}{25}\], find the values of cosθ and tanθ.
Concept: Angles of Elevation and Depression
If 5 secθ – 12 cosecθ = 0, find the values of secθ, cosθ, and sinθ.
Concept: Angles of Elevation and Depression
Prove that:
`(sin^2θ)/(cosθ) + cosθ = secθ`
Concept: Trigonometric Identities (Square Relations)
Prove that:
cos2θ (1 + tan2θ)
Concept: Angles of Elevation and Depression
Prove that:
Concept: Angles of Elevation and Depression
Prove that:
Sin4θ - cos4θ = 1 - 2cos2θ
Concept: Trigonometric Identities (Square Relations)
Prove that:
`"tanθ"/("secθ" – 1) = (tanθ + secθ + 1)/(tanθ + secθ - 1)`
Concept: Trigonometric Identities (Square Relations)
Choose the correct alternative answer for the following question.
1 + tan2 \[\theta\] = ?
Concept: Angles of Elevation and Depression
Choose the correct alternative answer for the following question.
Concept: Angles of Elevation and Depression
If sin θ = `11/61`, find the values of cos θ using trigonometric identity.
Concept: Trigonometric Identities (Square Relations)
Prove the following.
secθ (1 – sinθ) (secθ + tanθ) = 1
Concept: Angles of Elevation and Depression

From the figure find the value of sinθ.
Concept: Trigonometric Identities (Square Relations)
