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0 votes
1.0k views
in Trigonometry by (49.2k points)

If 7 sin A = 24 cos A, then 14 tan A + 25 cos A – 7 sec A equals.

(a) 0 

(b) 1 

(c) 30 

(d) 32

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1 Answer

+1 vote
by (46.2k points)

(c) 

7 sin A = 24 cos A

⇒ \(\frac{sin\,A}{cos\,A}=\frac{24}{7}\) ⇒ tan A = \(\frac{24}{7}\)

Now make the figure and find all the other t-ratios and solve.

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