Question

Express sin 89° + tan 89° in terms of angels between 0° and 45° .

Answer 1

$<b> <i>$
SOLUTION!

sin 89° + tan 89°

= sin (90° - 1°) + tan (90° - 1°)

= cos 1° +cot 1°.

glad help you

thanks...☺

Answer 2

Sin 89 ==cos 1. - - - - - (1)

Tan89 =cot1. - - - - - (2)

So by 1 and 2

Sin89. +Tan89. =cos1 +cot1

Proved

Hope it will help you I solved it by using complementary angles ratio