1.22. If 0
and b?
A. b = 90° - a
B. b = 90° + a
C. b = 180° – a
D. b = 180° + a
2 answers:
Answer:
Option A. b = 90° - a
Step-by-step explanation:
we know that
If two angles are complementary, the cofunction identities state that the sine of one equals the cosine of the other and vice versa
so
If
sin(a)=cos(b)
then
angle a and angle b are complementary

isolate the angle b

Answer:A.b=90*
Step-by-step explanation:
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