Math, asked by reddyrahul5616, 11 months ago

Evaluate cosec 30sec51 - tan51cot 39

Answers

Answered by mysticd

8

Answer:

1

Step-by-step explanation:

Cosec39sec51-tan51cot39

= Cosec(90-51)sec51-tan51cot(90-39)

= Sec51×sec51 - tan51 × tan51

= Sec² 51 - tan² 51

= 1

[ Since , sec²A - tan²A = 1 ]

••••

Previous Question

Next Question

Similar questions

English, 6 months ago

2. The software worm needs a to spread around. * a) desktop b) channel c) network d) modem...

Science, 6 months ago

what is the total resistance when 1ohm,2ohm,3ohm,4ohm are connected in series?

English, 6 months ago

What is the major attention of traditional personnel function (D) None of these (A) Personnel administration (B) Managerial administration (C) Strategic administration (D) Cultural administration...

Science, 11 months ago

why mica is used in the field of electricity??

Social Sciences, 11 months ago

explain why do we need consumer consiousness by giving two examples.

English, 1 year ago

Never darkness do I see, Not even a shadowy place. You can see me all day, Though I may burn your face.

English, 1 year ago

Kis paschi ke sir par hote he...

English, 1 year ago

Describe the qualities of helen's mother...