Question

if a=sin170+cos170 then a =​

Answer 1

a = sin170+cos170 is the answer Buddy

Answer 2

Answer:

ANSWER

Given,

a=sin170

o

+cos170

o

=sin(180−10)+cos(180−10)

=sin10+(−cos10)

=sin10−cos10

Now if θ∈(0, 4π )

cosθ>sinθ

∴cos10

o >sin10

o

∴a=sin10−cos10

=−ve

∴a<10.