Find the values of the following:
(i) (cos 0⁰ + sin 45⁰ + sin 30⁰)(sin 90⁰ - cos 45⁰ + cos 60⁰)
(ii) tan²60⁰ - 2tan²45⁰ - cot²30⁰ +2sin²30⁰ + \(\frac { 3 }{ 4 } \) cosec² 45⁰

Find the value of \(\theta\) if
(i) sin \(\theta\) = 0.9858
(ii) cos\(\theta\) = 07656

Find the value of the following: 
\(\frac { cos70° }{ sin20° } +\frac { cos59° }{ sin31° } +\frac { cos\theta }{ sin\left( 90°-\theta \right) } -8 \cos^{ 2 }60°\)

Find the value of the following: 
 tan15° tan30° tan45° tan60° tan75°

Find the value of the following:
\(\frac { cot\theta }{ tan\left( 90°-\theta \right) } +\frac { cos\left( 90°-\theta \right) tan\theta sec\left( 90°-\theta \right) }{ sin\left( 90°-\theta \right) cosec\left( 90°-\theta \right) } \)