NDA || Maths || Trigonometry_Quiz_2020

find the value of 3(x²-1/ x²) if cosecθ=3x and cotθ=3/x

If cosA+cos²A=1 the value of sin²A+sin⁴A

Evaluate (secA+tanA)(1-sinA)

A pole casts a shadow of length 2√3m on the ground when the sun’s elevation is 60⁰. The height of the pole is

A kite is flying at a height of 30 m from the grounD. The length of string from the kite to the ground is 60m. Assuming that there is no slack in the string, the angle of elevation of the kite at the ground is