If cosec A - 157 and A - B - 90- find the value of B

A=157 (90 B)=157 B=157 #160; ...

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Trigonometric Ratios of Standard Angles

If cosec A ...

Question

If $c o s e c A = \frac{15}{7}$ and $A + B = 90$ , find the value of $sec B$

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If $c o s e c (A + B) = \frac{2}{\sqrt{3}}$ , sec(A-B)= $\frac{2}{\sqrt{3}}$ ,
$0^{\circ} < A + B \leq 90^{\circ}$ ,
Find A and B.

cosec A = \frac{4}{3}

A + B = 90

sec B =

If $c o s e c (A + B) = \frac{2}{\sqrt{3}}$ , sec(A-B)= $\frac{2}{\sqrt{3}}$ ,
$0^{\circ} < A + B \leq 90^{\circ}$ ,
Find A and B.

c o s e c (A + B) = \frac{2}{\sqrt{3}}, s e c (A - B) = \frac{2}{\sqrt{3}}, 0^{o} \leq A + B \leq 90^{o}

If $c o s e c (A + B) = \frac{2}{\sqrt{3}}$ , $s e c (A - B) = \frac{2}{\sqrt{3}}$ , $0^{\circ} < A + B \leq 90^{\circ}$ , find A and B.

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