Mathematics
Prove the following trigonometry identity :
(sin θ + cos θ)(cosec θ - sec θ) = cosec θ.sec θ - 2 tan θ
Related Questions
A man buys 250, ten-rupee shares each at ₹12.50. If the rate of dividend is 7%, find the :
(a) dividend he receives annually.
(b) percentage return on his investment.
In the given figure (drawn not to scale) chords AD and BC intersect at P, where AB = 9 cm, PB = 3 cm and PD = 2 cm.
(a) Prove that △ APB ~ △ CPD
(b) Find the length of CD
(c) Find area △ APB : area △ CPD.
Mr. Sameer has a recurring deposit account and deposits ₹ 600 per month for 2 years. If he gets ₹ 15600 at the time of maturity, find the rate of interest earned by him.