Question
Prove : $\frac{\cos ^2 A+\tan ^2 A-1}{\sin ^2 A}=\tan ^2 A$

Answer

self

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The difference of squares of two numbers is $180.$ The square of the smaller number is $8$ times the larger number. Find two numbers.
In a circle of radius $7\ cm$, a square ABCD is inscribed. Find the area of the circle which is outside the square.
A conical flask is full of water. The flask has base-radius r and height h. The water is poured into a cylindrical flask of base-radius mr. Find the height of water in the cylindrical flask.
In the given figure, DE || BC. Determine AC and AE.
For what value of $n$, the nth term of the following two A.P.s are equal?
$23,25,27,29$,....  and $-17,-10,-3,4$, ....
In the following, determine whether the given values are solution of the given equation or not:
$\text{x}^2-3\sqrt{3}\text{x}+6=0,$ $\text{x}=\sqrt{3},\text{x}=-2\sqrt{3}$
If 500 shares of face value ₹ 100 were sold at ₹ 50 premium, then how much amount is obtained?
In the following, determine the set of values of k for which the given quadratic equation has real root:
$3x^2 + 2x + k = 0$
The corresponding sides of two similar triangles ABC and DEF are BC = 9.1cm and EF = 6.5cm. If the rerimeter of $\triangle\text{DEF}$ is 25cm, find the perimeter of $\triangle\text{ABC}.$
Tiptop Electronics’ supplied an AC of 1.5 ton to a company. Cost of the AC supplied is Rs. 51,200 (with GST). Rate of CGST on AC is 14%. Then find the following amounts as shown in the tax invoice of Tiptop Electronics.
(1) Rate of SGST
(2) Rate of GST on AC
(3) Taxable value of AC
(4) Total amount of GST
(5) Amount of CGST
(6) Amount of SGST