(1) ((2sin26+2cos64)/(4sin13 cos13))=? (2) (1/(sec15 sin15 cos30))=?


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Question Number 177914 by mathlove last updated on 11/Oct/22

$(1) \frac{2 s i n 26 + 2 c o s 64}{4 s i n 13 c o s 13} = ?$ $(2) \frac{1}{s e c 15 s i n 15 c o s 30} = ?$
	Answered by Rasheed.Sindhi last updated on 11/Oct/22

	$(1) \frac{2 s i n 26 + 2 c o s 64}{4 s i n 13 c o s 13} = ?$ $\frac{2 s i n 26 + 2 c o s 64}{2 s i n 26} - 1 + 1$ $\frac{c o s 64}{s i n 26} + 1$ $\frac{c o s (90 - 26)}{s i n 26} + 1$ $\frac{s i n 26}{s i n 26} + 1 = 2$
	Answered by Rasheed.Sindhi last updated on 11/Oct/22

	$(1) \frac{2 s i n 26 + 2 c o s 64}{4 s i n 13 c o s 13} = ?$ $\frac{2 s i n 26 + 2 c o s (90 - 26)}{2 (2 s i n 13 c o s 13)}$ $\frac{2 s i n 26 + 2 s i n 26}{2 s i n 26}$ $\frac{4 s i n 26}{2 s i n 26} = 2$
	Commented by mathlove last updated on 11/Oct/22

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