Question

sin18°/cos72° evaluate the answer?

Answer 1

$\bold{\boxed{HEY!!!}}$


$<B><I>HERE IS YOUR ANSWER :-$


sin18°/cos72°


= cos( 90 - 18 )/cos72°


= cos72°/cos72°


= 1.


$\bold{\boxed{ANSWER = 1}}$


[NOTE :- property used is sin A = cos ( 90 - A )]


$<marquee>THANKS...$

Answer 2

$\bold{\boxed{HEY MATE !!}}$

$<v><i>$

HERE IS YOUR ANSWER!!

sin18°/ cos72°

sin(90°-72°) / Cos72°

cos72°/ cos72°

$\bold{\boxed{ ANSWER= 1}}$

USING FORMULA

$\bold{\boxed{COS(90°-theta)= Cos theta}}$

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