`Sin 73° cos 17° + cos 73° sin 17°=1`

(cos17+sin17)/(cos17-sin17)

What is the value of (sin 19^@)/(cos 71^@) + (cos 73^@)/(sin 17^@) ?

(cos 17^(@) + sin 17^(@))/(cos 17^(@) - sin 17^(@))=

(sin ^ (2) 63 ^ (@) + sin ^ (2) 27 ^ (@)) / (cos ^ (2) 17 ^ (@) + cos ^ (2) 73 ^ (@))

Find the value of cos^2 17^@ -sin^2 73^@

Evaluate : (2sin^2 63^@+1+2sin^2 27^@)/(3 cos ^2 17^@-2+3cos^2 73^@)

(cos 9x - cos 5x)/(sin 17x - sin 3x) = (-sin 2x)/(cos 10x)

The value of 152 ( sin 30^@ + 2cos^2 45^@ + 3 sin 30^@ + 4 cos^2 45^@ + …+ 17 sin30^@ + 18 cos^2 45^@) is

The fraction (173)/(1000) in decimal form is: 17.3 (b) 1.73 (c) 0.173 (d) 0.0173