Find the value 'x', if:

Sum

In right ΔPQS,

sin30° = `"PQ"/"PS"`

⇒ `(1)/(2) = x/(100)`
⇒ x = 50m.

shaalaa.com

Trigonometric Equation Problem and Solution

Is there an error in this question or solution?

Chapter 27: Trigonometrical Ratios of Standard Angles - Exercise 27.2

Chapter 27 Trigonometrical Ratios of Standard Angles
Exercise 27.2 | Q 9.5

If 4 sin² θ – 1 = 0 and angle θ is less than 90°, find the value of θ and hence the value of cos² θ + tan² θ.

Solve the following equation for A, if `sqrt3` cot 2 A = 1

Find the value of 'A', if 2 sin 2A = 1

If `sqrt(3)` sec 2θ = 2 and θ< 90°, find the value of

cos² (30° + θ) + sin² (45° - θ)

In the given figure, PQ = 6 cm, RQ = x cm and RP = 10 cm, find
a. cosθ
b. sin²θ- cos²θ
c. Use tanθ to find the value of RQ

In a trapezium ABCD, as shown, AB ‖ DC, AD = DC = BC = 24 cm and ∠A = 30°. Find: length of AB

Find the value 'x', if:

Evaluate the following: `(tan12°)/(cot78°)`

Evaluate the following: cot27° - tan63°

If sin(θ - 15°) = cos(θ - 25°), find the value of θ if (θ-15°) and (θ - 25°) are acute angles.