What is the value of tan `60^@` and sin `45^@` ?

What is the value of (tan^4 60^@-sin^4 90^@ ) - 2(tan^2 45^@ +3 cos ^2 0^@)

What is the value of sin30^@+cos 30^@ -tan 45^@ ? sin30^@+cos 30^@ -tan 45^@ का मान क्या होगा ?

What is the value of (sin 60^(@))/( cos^(2) 45^(@) ) - 3 tan 30^(@) + 5 cos 90^(@)

What is the value of sin^(3) 60^(@) cot 30^(@) - 2 sec^(2) 45^(@) + 3 cos 60^(@) tan 45^(@) - tan^(2) 60^(@) ?

What is the value of (1/(sin45^@)-sin45^@) (1/(cos 45^@)-cos45^@)(tan45^@+1/(tan45^@)) ?

What is the value of theta in the exprssion, tan 3theta = sin 45^(@) cos 45^(@) + sin 30^(@) ?

Write the value of sin 45^(@) and tan60^(@) .

Find the value of 2 tan 45^@ + cos 30^@ - sin 60^@ .