Mathematics, 24.02.2020 06:10 shyra94

1. If Cos(a)=Sin(52), what is the value of A?
A. 28
B. 38
C. 52
D. 128

2. If Sin B=7/9, what is Cos A?
Cos A=

What must be true about A and ?
A. a and b are complementary angles
B. mC. mD. a and b are suplementary angles

Answers: 1

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1. If Cos(a)=Sin(52), what is the value of A?
A. 28
B. 38
C. 52
D. 128