if sinx=cosx find 2 tanx.tanx+sinx.sinx-1
Answers
Answered by
0
here is your answer..........
Attachments:
Answered by
1
Answer:
if
sinx = cosx
sinx/cosx = 1
i:e tanx = 1
therefore we can say x = 45deg.
2.tanx.tanx+sinx.sinx-1=
= 2*1*1+sin(45).sin(45) - 1
= 2 + [(1/√2)*(1/√2)] -1
= 1 + 1/2
= 3/2
Similar questions
Social Sciences,
7 months ago
Math,
7 months ago
Social Sciences,
7 months ago
Science,
1 year ago
Science,
1 year ago
Math,
1 year ago
English,
1 year ago