solve it please help meout question 20!!
Attachments:
Anonymous:
Q .19 or Q.20?
20
Q.20 isn't clear. can u elaborate the question here?
Did u get the answer for Q.19?
yes
ihave posted it?please see
I've done it. pls chk. Its similar to Q. 19 (in approach).
ty
Answers
Answered by
0
Explanation:
tanx=512.
x could be either in Quadrant 1 or Quadrant 3.
cos2x=11+tan2x=11+25144=144169
cosx=±1213
sin2x=1−cos2x=1−144169=25169
sinx=±513
If x lies in Quadrant 1, cos x and sin x are both positive.
If x lies in Quadrant 3, sin x and cos x are both negative.
tanx=512.
x could be either in Quadrant 1 or Quadrant 3.
cos2x=11+tan2x=11+25144=144169
cosx=±1213
sin2x=1−cos2x=1−144169=25169
sinx=±513
If x lies in Quadrant 1, cos x and sin x are both positive.
If x lies in Quadrant 3, sin x and cos x are both negative.
wtf
this is the required answer
nope
answer is 17/19
can u send me solution on page???
on insta @apoorvjr
Similar questions