Question
Asked Dec 12, 2019
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verify the identity:

tanx + secx = sinx + 1

                           cosx

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Expert Answer

Step 1

Given,

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sin x +1 tan x + secx = cosx

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Step 2

Consider the left-hand side.

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→ tanx + sec x

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Step 3

Property used:

...
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sinx tan x = cos x sec x = cos x

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