Prove that : (sec 8θ – 1)/ ( sec 4θ – 1 ) = tan 8θ/ tan 2θ

Question
in progress 0
6 months 1 Answer 255 views 0

The diagram shows a square with side length 5 cm. The length of the diagonal is y cm. Find the exact value of y.

Question
in progress 0
6 months 1 Answer 154 views 0

Find the value of : ( 3 tan 41°/cot 49°)^2 – [(sin 35° sec 55°)/(tan 10° tan 20° tan 60° tan 70° tan 80°)]^2

Question
in progress 0
6 months 1 Answer 294 views 1

Prove that : sin θ/ ( cot θ + cosec θ) = 2 + sin θ/ ( cot θ – cosec θ)

Question
in progress 0
7 months 1 Answer 242 views 0

Prove that: tan θ/(1 – cot θ) + cot θ/(1 – tan θ) = 1 + sec θ. cosec θ

Question
in progress 0
7 months 1 Answer 258 views 0

Evaluate: (3sin 43°/cos 47°)^2 – (cos37°csc53°)/(tan5°tan25°tan45°tan65°tan85°)

Question
in progress 0
7 months 1 Answer 197 views 0

Prove that : (sin A – 2sin^3 A)/(2cos^3 A – cosA) = tan A

Question
in progress 0
7 months 1 Answer 163 views 0

If tan 2A = cot (A – 18°), where 2A is an acute angle, find the value of A.

Question
in progress 0
Anonymous 7 months 1 Answer 158 views 0

If 4 tan θ = 3, evaluate (\frac{4sin\theta\ -\ cos\theta\ +\ 1}{4sin\theta\ +\ cos\theta\ -\ 1})

Question
in progress 0
7 months 1 Answer 217 views 0

A person deposits an equal amount of ₹8000 in two different banks on different interests rates. After three years, the difference between the interest received from these two banks is ₹576. What is the difference between their interest rates?

Question
in progress 0
7 months 1 Answer 261 views 0