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Concept of using the trigonometric equations in the formula sheet. (:
Date Posted:
6 years ago
They said without using a calculator...
Actually your answer is correct but dont need to expand until you find the exact answer. Thank you for your help!
The question did said without a calculator but you can always use the calculator to check (: i expanded just for explanatory purposes! No problem!
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Answer to tan x = 1/3
Date Posted:
6 years ago
Answer is actually 1/2
Yes. Careless mistakes.
Cos 2x = 3/5
I put it as cos 2x = 4/5
Careless.
Tanx = 1/2
I put it as cos 2x = 4/5
Careless.
Tanx = 1/2
Oh okay thank you!
Most welcomed. I am new to the mobile software and to upload the answer. W As trying to upload the revised solution. But I takes me quite a bit of time. :)
Hahah thank you so much!