Given #cosbeta=5#, how do you find #cosbeta#?

Answer 1

There is no solution.

Assuming that you meant to ask about finding #beta# instead of #cosbeta#, the other answer in this thread is correct.
#-1 <= cosbeta <= 1# for all values of #beta#.
Therefore, the equation #cosbeta = 5# has no solution. Similarly, #cosbeta = 2# and #cosbeta = -1.0001# have no solution.
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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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