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value of tan6^0tan42^0tan66^0tan78^0 is ...

value of `tan6^0tan42^0tan66^0tan78^0` is equal to - a) 1 b) 2 c) `1/4` d) `1/8`

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The value of tan6^@ tan42^@ tan66^@ tan78^@ is

Prove that: tan6^0tan42^0tan66^0tan78^0=1.

The value of tan6^0tan42^0tan66^0tan78^0 is (a)1 (b) 1/2 (c) 1/4 (d) 1/8

The value of tan6^0tan42^0tan66^0tan78^0 is (a)1 (b) 1/2 (c) 1/4 (d) 1/8

The value of tan6^0tan42^0tan66^0tan78^0 is (a)1 (b) 1/2 (c) 1/4 (d) 1/8

The value of tan6^(@)tan42^(@)tan66^(@)tan78^(@) is

Prove that tan6^@tan42^@tan66^@tan78^@=1

tan100^0+tan125^0+tan100^0tan125^0 is equal to 0 (b) 1/2 (c) -1 (d) 1

tan100^0+tan125^0+tan100^0tan125^0 is equal to 0 (b) 1/2 (c) -1 (d) 1

The value of tan6^(@)tan42^(@)tan66^(@)tan78^(@) is (a) 1 (b) (1)/(2)(c)(1)/(4)(d)(1)/(8)