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Dheeraj Sharma

· started a discussion

· 1 Months ago

how 1+1+1=1 (Question: 252379.0 )

right answer should be 3

Question:
The value of cot θ × tan(90° – θ) – sec(90° – θ) × cosec θ + (sin2 25° + sin2 65°) + \(\sqrt{3}\)(tan 5° × tan 15° × tan 30° × tan 75° × tan 85°) is —
Options:
A) 1
B) –1
C) 3
D) 0
Solution:

Ans: (a) 


Kamaal Akhtar

· commented

· 1 Months ago

No, correct answer is 1. And the method is also correct.

Shashank Shah

· commented

· 1 Months ago

It is : -1+1+1

neha bairagie

· commented

· 1 Months ago

Right answer is 1.
-1 + 1 + 1= 1
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