Find the value 'x', if: - Mathematics

Find the value 'x', if:

बेरीज

In right ΔPQS,

sin30° = `"PQ"/"PS"`

⇒ `(1)/(2) = x/(100)`
⇒ x = 50m.

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Trigonometric Equation Problem and Solution

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पाठ 27: Trigonometrical Ratios of Standard Angles - Exercise 27.2

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

State for any acute angle θ whether cos θ increases or decreases as θ increases.

Solve the following equation for A, if 2 sin A = 1

Solve for x : cos² 30° + sin² 2x = 1

Find the value of 'A', if `sqrt(3)cot"A"` = 1

If sin α + cosβ = 1 and α= 90°, find the value of 'β'.

If θ = 30°, verify that: sin 3θ = 4sinθ . sin(60° - θ) sin(60° + θ)

Find the value of: `sqrt((1 - sin^2 60°)/(1 + sin^2 60°)` If 3 tan²θ - 1 = 0, find the value
a. cosθ
b. sinθ

Evaluate the following: `(sin62°)/(cos28°)`

Evaluate the following: cot27° - tan63°

Evaluate the following: sec16° tan28° - cot62° cosec74°