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The value of $$\sin^2 60^0 + \tan 45^0 - \text{cosec}^2 45^0$$ is

The value of $$ 4(\sin^4 30^0 + \cos^4 60^0)-3 (\cos^2 45^0 \sin^2 90^0)$$ is

If $$a \cos\theta-b \sin\theta=c$$, then $$a \sin\theta+b\cos\theta$$ equals-

The value of $$\sec$$ $$(90^0 - \theta) \sin \theta$$ is

The value of $$\sin^2 60^0.\cos^2 30^0 + \tan 45^0. \cos 60^0 \sin 30^0$$ is

The value of $$\sin^2q. \cos^2q (\sec^2q+\text cosec^2q)$$ is

The value of $$4 \cos^2 60^0 + 4 \tan^2 45^0 - \csc^2 30^0$$ is

In the given figure, the side $$PQ$$ (in cm) is

The value of $$\sin^6q+\cos^6q+3 \sin^2q \cos^2q$$ is-

The value of $$\sin$$ $$45^0 \cos 45^0 (\tan 45^0 + \cot 45^0)$$ is