prove that (1+sin-cos)2/(1+sin+cos)2=1-cos/1+cos
Answers
Answered by
1
LHS:
Expand the fractions using (a+b+c)²=a²+b²+c²+2ab+2bc+2ca.
Rearrange the terms.
We know that cos²A+sin²A=1.
Now here, take -2cos common from the numerator and +2cos common from the denominator.
Now, rearrange the terms, add 1 and 1 and take 2 common.
Take 2 common.
Take (1+sin) common.
LHS=RHS.
HENCE PROVED!
FUNDAMENTAL TRIGONOMETRIC RATIOS:
T-RATIOS:
Answered by
0
Answer:
see attachments
hope u like ans.....
Attachments:
Similar questions
English,
2 months ago
Psychology,
2 months ago
Physics,
2 months ago
Social Sciences,
4 months ago
English,
4 months ago
Physics,
10 months ago
English,
10 months ago