Question

if sin@ = cos4@ then calculate the value of @​

Answer 1

Answer:

sin@ = cos4@

sin@ = sin(90-4@)

@ = 90 - 4@

5@ = 90

@ = 18

Hope it may be helpful

Answer 2

Step-by-step explanation:

SinA=cos(90-4A)

SinA=sin(90-4A)

A+4A=90

A=90/5

A=18 hope its help u.