When you're solving for cos 90 degree can you show that in steps. Thanks!

Question

Question

Answer 1

Answer #1

( DI O2 - Iz. To 축 Iz - let Initial intensely be to I - Ald π Iz = I, Casa 04 = 29° Iz - ( 1 ) Coc229 = 0.3825 Io. -> 12=0.38

Answer 2

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