If sin θ = 3/5 and θ is acute angle, find (i) cos θ (ii) tan θ.

Question

KnowledgeBoat · Accepted Answer

(i) By formula, ⇒ sin² θ + cos² θ = 1 Substituting values we get, Since, θ is an acute angle and value of cos is positive in first quadrant. ∴ cos θ = . Hence, cos θ = . (ii) By formula, tan θ = = . Hence, tan θ = .

Mathematics

If sin θ = 3/5 and θ is acute angle, find (i) cos θ (ii) tan θ.

Trigonometrical Ratios

Related Questions

In the figure (2) given below, △ABC is right-angled at B. Given that ∠ACB = θ, side AB = 2 units and side BC = 1 unit, find the value of sin² θ + tan² θ.

Mathematics

If sin θ = 3/5 and θ is acute angle, find (i) cos θ (ii) tan θ.

Trigonometrical Ratios

Related Questions

In the figure (2) given below, △ABC is right-angled at B. Given that ∠ACB = θ, side AB = 2 units and side BC = 1 unit, find the value of sin2 θ + tan2 θ.

In the figure (2) given below, △ABC is right-angled at B. Given that ∠ACB = θ, side AB = 2 units and side BC = 1 unit, find the value of sin² θ + tan² θ.