Advertisements
Advertisements
Question
Find the value of 'x' in each of the following:
Advertisements
Solution

From the figure, we have
sin60° = `"BC"/"AC"`
⇒ `sqrt(3)/(2) = (12)/x`
⇒ x
= `(2 xx 12)/sqrt(3)`
= `24/sqrt(3)`
= `(8 xx 3)/sqrt(3)`
= `8sqrt(3)`.
APPEARS IN
RELATED QUESTIONS
If 2 sin x° − 1 = 0 and x° is an acute angle; find:
- sin x°
- x°
- cos x° and tan x°.
Calculate the value of A, if (sec 2A - 1) (cosec 3A - 1) = 0
If sin 3A = 1 and 0 < A < 90°, find cos 2A
Solve for x : cos2 30° + sin2 2x = 1
Find the value of 'A', if (1 - cosec A)(2 - sec A) = 0
Find the value of 'A', if (2 - cosec 2A) cos 3A = 0
In a right triangle ABC, right angled at C, if ∠B = 60° and AB = 15units, find the remaining angles and sides.
Find the value 'x', if:
Evaluate the following: `(sec32° cot26°)/(tan64° "cosec"58°)`
Evaluate the following: `(2sin25° sin35° sec55° sec65°)/(5tan 29° tan45° tan61°) + (3cos20° cos50° cot70° cot40°)/(5tan20° tan50° sin70° sin40°)`
