[MULTIPLE CORRECT CHOICE TYPE]
+ sin o = a and cos + cos o = b, then
7.
If sin
(A) cos 79 -; V(a+b?
(B) cos 0,0) = v(a?–62)
(B) cos
(D) cos(0 - 0) =
a +6²-2
Attachments:
Answers
Answered by
1
Answer:
use trigonometric identity
OPTION -D is correct
similar using these basic idea you can find other
OPTION-C is correct
Attachments:
Similar questions