Math, asked by ramrenuria, 11 months ago

show that tan^2B-1/cos^2B=-1

Attachments:

Answers

Answered by LUCYJYOTI

1

Step-by-step explanation:

tan^2B - 1/cos^2B = -1

= sin^2B/cos^2B - 1/cos^2B

= sin^2B - cos^2B/cos^2B/cos^2B

= sin^2B - cos^2B

= -(sin^2B + cos^2B)

= -(1)

= -1

HOPE THIS WILL HELP YOU

Previous Question

Next Question

Similar questions

Math, 5 months ago

and the D option is x= -5/7 of class 8th answer me Plz fast ill mark it as brainlist...

Hindi, 5 months ago

please help me to do this...

Science, 5 months ago

write short note on bio gas plant...

Physics, 11 months ago

Hey mate please answer this question It's urgent...

Math, 11 months ago

i)-1.0, -1.5, -2.0, -2.5 ...... and ii) -1, -3, -9, -27....... are two progressions. Then which of them is a geometric progression ? A) (i) only B) (ii) only C ) (i) and (ii) both D) None of the above...

Social Sciences, 1 year ago

difference between national highways and golden quadrilateral...

Social Sciences, 1 year ago

difference btw bolsheviks and monsheviks...

Science, 1 year ago

aluminium ,copper ,iron, lead, magnesium, zinc and sodium etc. holder sample of each of the above metal at the top of the flame of burner and see the result answer the following questions after observation. 1)which metal catch fire readily? 2)how does the surface of the metal appear on catching fire? 3)what is the colour of the flame while the metal is burning on the flame?