SOLUTION: What is the corresponding reciprocal ratio that corresponds to cos θ =0.8 secθ=4/5 secθ =2 secθ =1/2 secθ =5/4

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Question 1140280: What is the corresponding reciprocal ratio that corresponds to cos θ =0.8
secθ=4/5
secθ =2
secθ =1/2
secθ =5/4
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

cos+%28theta%29+=0.8 .......since 0.8=8%2F10=4%2F5, we have
cos+%28theta%29+=4%2F5

use identity: cos+%28theta%29=1%2Fsec%28theta%29
=>sec%28theta%29+=1%2Fcos+%28theta%29.......substitute cos+%28theta%29
sec%28theta%29+=1%2F+%284%2F5%29
sec%28theta%29+=5%2F+4