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If A=tan6^(@) tan 42^(@) and B= cot 66^(...

If `A=tan6^(@) tan 42^(@)` and `B= cot 66^(@)cot 78^(@)` then-

A

8

B

6

C

4

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
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If A=tan6^(@)tan42^(@) and B=cot66^(@)cot78^(@), then

If A=tan6^(@)tan42^(@) and B=cot66^(@)cot78^(@) then

The value of tan 6^(@) tan 42^(@) tan 66^(@) tan 78^(@) is

If A = tan11^(@)tan29^(@),B=2cot61^(@)cot79^(@) , then:

cot6^(0)cot42^(0)cot66^(@)cot78^(@)=1

Prove that: tan6^(0)tan42^(0)tan66^(@)tan78^(@)=1

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

MOTION-TRIGNOMETRIC RATIOS & IDENTITIES -Exercise 2(Level -I)
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