Question
Ribboning is process of peeling out raw bark from the
green plant immediately after harvest is done in which fibre crop?Solution
In ribbon retting, ribbons are stripped out mechanically from the stem of mature jute plants, coiled and allowed to ret under water. Ribbon retting reduces time of normal retting by 4–5 days.
Find the maximum value of 18 sin A + 7 cos A.
- If sin 2a = (3/2), then find the value of (sin a + cos a).
- If X = 15°, find the value of:
sin²(3X) + cos²(4X) - tan²(2X) cot 13Ëš Â
 cot 14˚  ...If 2x = cosec @ and 4/x = cot @ then the value of 2(x ² - 1/x ² ) is
Solve for 0° ≤ θ ≤ 360°:
2 sin²θ + 3 sinθ − 2 = 0
- Simplify the following trigonometric expression:
sin 2A + sin 2B Find the value of the given expression.
2 × (sec 60° – sin 30°)
If cos θ + sin θ = m, sec θ + cosec θ = n then n(m 2 – 1) is equal to?
if x sin 45 Ëš Â = y cosec 30 Ëš Â then find the value ofÂ