Math, asked by anmol90051arjun, 5 months ago

the value of cosA if secA - tanA = m + 1/m.

Answers

Answered by Anonymous

0

Answer:

m

2

−1

=

(secA+tanA)

2

+1

(secA+tanA)

2

−1

=

sec

2

A+tan

2

A+2secAtanA+1

sec

2

A+tan

2

A+2secAtanA−1

=

sec

2

A+(tan

2

A+1)+2secAtanA

(sec

2

A−1)+tan

2

A+2secAtanA

=

2sec

2

A+2secAtanA

2tan

2

A+2secAtanA

=

2secA

2tanA

=

cosA

sinA

×cosA=sinA

Previous Question

Next Question

Similar questions

Social Sciences, 2 months ago

12. In which of the following states is Kalpakkam ruclear power plants located. (a) Gujarat (b) Odisha (c) Kerala (d) Tamil Nadu...

Math, 2 months ago

Check whether 2" can end with the digit 0 for any natural number...

Physics, 2 months ago

Yeh physics ka question hai please iska answer bata dijiye it urgent ...

Science, 5 months ago

how are cell discovered...

Math, 5 months ago

if O is the centre of the circle,the value of X in the adjoining figure is-...

Chemistry, 10 months ago

"There is practically no decrease in the total mass of the substance in a chemical reaction," is this statement is true or false...

Economy, 10 months ago

Identify the following statements as positive or normative and give reasons. (1)India has a large number of poor people. (2)The government should spend more on education. (3)Poor people are suffering due to price rise of essential commodities. (4)Bank has increased its interest rate. (5)People should be encouraged to save in post offices and commercial banks.

English, 10 months ago

summary of the poem this world be nicer ...