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If tan theta = 15/8 and cos theta is neg...

If `tan theta = 15/8` and `cos theta` is negative, find the value of `(sin (-theta) - cos theta)/(tan(-theta) + "sec"(-theta))`.

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The correct Answer is:
`-23/68`
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CHHAYA PUBLICATION-TRIGONOMETRIC RATIOS OF ASSOCIATED ANGLES-EXERCISE - SHORT ANSWER TYPE QUESTIONS (4 marks)
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