Math, asked by aanandisirivoru, 8 months ago

prove that (sin^4-cos^5+1) cosec^2=2

Answers

Answered by urviagrawal2p4fmfp

1

Answer:

Proved

Step-by-step explanation:

L.H.S. = (sin4θ – cos4θ +1) cosec2θ

= [(sin2θ – cos2θ) (sin2θ + cos2θ) + 1] cosec2

= (sin2θ – cos2θ + 1) cosec2θ

[Because sin 2θ + cos2θ =1]

= 2sin2θ cosec2θ

[Because 1– cos 2θ = sin2θ ]

= 2 = RHS

Previous Question

Next Question

Similar questions

Social Sciences, 4 months ago

paste pictures of different means of transport-Land Transport, Water Transport and air Transport. also write their uses.

India Languages, 4 months ago

write an essay on sivsagar in Assamese language...

English, 4 months ago

in the city of ujjani there was a young child name madananka he lost his father when he was in the teen so it was his mother who brought him up with great affection and love unfortunately he turned out to be a which vagabond his mother hoped that he would become normal and settle down if he was where was married and so she found a suitable girl and they were married but makanda became worse now...

English, 8 months ago

story of success 20 to 30 lines...

Math, 8 months ago

solution of question no. 3, 4,5 of second question and (ii) of question 3rd is in this question... please note it..!!!!

English, 1 year ago

we enjoy our history classes question tag...

Social Sciences, 1 year ago

who knows father of periodic table ...

Chemistry, 1 year ago

when a fire brigade arrives,what does it do?