Math, asked by masoodhalith22, 8 months ago

(sin A+tan A-1) (sec A-tan A+1)=2 tan A

Answers

Answered by sandy1816

1

Answer:

(secA+tanA-1)(secA-tanA+1)

=(secA+tanA-1){secA-(tanA-1)}

=sec²A-(tanA-1)²

=sec²A-tan²A+2tanA-1

=1+2tanA-1

=2tanA

Previous Question

Next Question

Similar questions

Math, 4 months ago

anyone please help me to solve this problem!

Psychology, 4 months ago

Hello, How was your Life during Lockdown?? Thanks.

English, 4 months ago

013. Write the sentences in the correct order to form a paragrapa Next I put my toys in my bag. 1. First packed food in a big basket. 2. Finally, Mom Dad and I went out for a picnic in the park. 3. Then,we put our things in the car. 4. We decided to go for a picnic.

Chemistry, 8 months ago

A sample of water has 20 ppm degree of hardness. What is the amount of mgso4 present in per kg of water...

Physics, 8 months ago

A rocket ascends from rest in a uniform gravitational field by ejecting exhaust with constant speed u. Assume that the rate at which mass is expelled is given by dm/dt = m where m is the instantaneous mass of the rocket and is a positive constant, and the rocket is retarded by air-resistance with a force mv, where b is a constant. Find the velocity of the rocket as a function of time...

Math, 10 months ago

Simplify $\frac{cot 55\textdegree . cot 35\textdegree - 1}{cot 55\textdegree + cot 35\textdegree}$ .

Math, 10 months ago

Prove that 3(sin θ - cos θ)⁴ + 6(sin θ + cos θ)² + 4(sin⁶ θ + cos⁶ θ) = 13...

Math, 10 months ago

If $\frac{2 sin\theta}{(1 + cos\theta + sin\theta)}$ = x, then find the value of $\frac{(1 - cos\theta + sin\theta)}{(1 + sin\theta)}$ ...