If cosθ = 7/25, find all the values of all trigonometric ratios of θ.

If tanθ = 15/8, find all the values of all the trignometeric ratios of θ.

If cotθ = 2, find all the values of all the trigonometric ratios of θ.

If cosecθ = √10, find all the values of all the trignometeric ratios of θ.

If , find all the values of all the trignometeric ratios of θ.

If 15 cotA = 8, find the values of sinA and secA.

If sinA = 9/41, find the values of cosA and tanA.

If cosθ = 0.6, show that (5sinθ - 3tanθ ) = 0

If cosecθ = 2, show that

If tanθ = 1/√7 , show that

If tanθ = 20/21, show that

If secθ = 5/4, show that

If cotθ = 3/4, show that

If sinθ = 3/4, show that

If sinθ = a/b, show that

If cosθ = 3/5, show that

If tanθ = 4/3, show that sinθ + cosθ = 7/5

If tanθ = a/b, show that

If 3tanA = 4, show that

If 3cotθ = 2, show that

If 3cotθ = 4, show that

If secθ = 17/8, verify that

In the adjoining figure, ∠B = 90°, ∠ BAC = θ°, BC = CD = 4cm, AD = 10cm. find

i. sinθ

ii. cosθ

In a Δ ABC, ∠ B = 90°, AB = 24cm and BC = 7cm. Find

a) sinA

b) cosA

c) sinC

d) cosC

In a Δ ABC, ∠ C = 90°, ∠ ABC = θ° , BC = 21units and AB = 29units. Show that cos²θ –sin²θ = 41/841

In a Δ ABC, ∠ B = 90°, AB = 12cm and BC = 5cm. Find

i. cosA

ii. cosecA

iii. cosC

iv. cosecC

If sinα = 1/2, prove that 3cosα - 4cos³α = 0

In a Δ ABC, ∠ B = 90° and tanA = 1/√3. Prove that

i. sinA cosC + cosA sinC = 1

ii. cosA cosC - sinA sinC = 0

If ∠ A and ∠ B are acute angles such that sinA = sinB then prove that ∠ A = ∠ B.

If ∠ A and∠ B are acute angles such that tanA = tanB then prove that ∠ A = ∠ B.

In a right ΔABC, right - angled at B, it tanA = 1 then verify that 2sinA cosA = 1

In the given figure of ΔPQR, ∠ P = θ° and ∠ R = ϕ°. Find

a.

b.

c. Cosθ

If x = cosecA + cosA and y = cosecA - cosA the prove that

If x = cotA + cosA and y = cotA - cosA, prove that