CBSE BOARD X, asked by sk507022, 1 month ago

2 + 1/tan^2A + 1 /cot²A = sec^2A + cosec^2

Answers

Answered by manvikatoch8

0

Explanation:

LHS=tan

2

A+cot

2

A

=

cos

2

A

sin

2

A

+

sin

2

A

cos

2

A

=

sin

2

Acos

2

A

sin

4

A+cos

4

A

=

sin

2

Acos

2

A

(sin

2

A+cos

2

A)

2

−2sin

2

Acos

2

A

=

sin

2

Acos

2

A

1−2sin

2

Acos

2

A

=

cos

2

A

1

.

sin

2

A

1

−2

=sec

2

A.cosec

2

A−2

=RHS

Hence proved

Previous Question

Next Question

Similar questions

Accountancy, 17 days ago

16. EON Ltd issued 1,50,000 shares of 10 each, payable as 2.5 per share on application, 75 per share on allotment and the balance on first and final call. The issue was oversubscribed by 70,000 shares- applicants for 15,000 shares were outrightly rejected, full allotment was made to applicants of 25,000 shares and for the balance shares pro-rata allotment was made. Calculate the money received at...

English, 17 days ago

You are associated with an NGO named ‘ Kids Tale .This NGO collects the old, broken and discarded toys of kids of well to do families and distributes them among poor kids.You want to help them. Design a poster to be displayed in different areas around the city asking people to donate the toys generouslygenerously.

Hindi, 17 days ago

जलीय पादपों में श्वसन एवं प्लवन में सहायक ऊतक का नाम लिखिए। सशलकोण ऊतक कहाँ पाए जाते हैं?

Chemistry, 1 month ago

what is Avogadro's law?

Math, 1 month ago

the largest 4 digit number.formed by using the digit less than 4 without repetition is...

Social Sciences, 9 months ago

Initially______&_____ were in control of English seas. (i)France and Germany (ii) Germany and Dutch (iii) Portuguese and France (iv) Dutch and Portuguese pls answer I need help urgently ...

Math, 9 months ago

$\sqrt{6 \sqrt{6 \sqrt{6 \sqrt{6 \sqrt{6} } } } }$ what is answer ...

Physics, 9 months ago

define:- 1.mineral 2.ore 3.gaunge...