Question

Which pair of angle measures satisfy the condition sin J = cos K?

Answer 1

A. 15 deg.,45deg
B. 45deg, 90deg
C 60deg ,30deg
D. 80deg ,100deg
E. 70deg, 110deg

Answer 2

I am not sure how to do this...at all

Answer 3

@OrangeMaster

Answer 4

I am not sure how to do this...at all also

Answer 5

@Destinymasha can you help me with this please?

Answer 6

Plug in the choices. I started with choice C.

Answer 7

Plugging in choice C, I pushed sin on the calculator then 60 then enter.

Answer 8

I got .866.

Answer 9

okay but then what do I do?

Answer 10

So .866 = cos K.

Answer 11

alright. How would I get J?

Answer 12

According to choice C, J=60 degrees and K= 30 degrees

Answer 13

okay

Answer 14

could you explain a little further, so I can comprehend completely?

Answer 15

So just make sure sin 60 degrees = cos 30 degrees

Answer 16

can u find the other missing angle in above triangle ?