Diploma DCET 2024 | DCET 2021 Maths Question Paper 21-40 | Applied Mathematics | Diploma Maths

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[krishnagondkar]

Brother yalla answers correct gurut eddare madi ....Nivu tumba mistake madta edira...I have observe you have done so many Q 37) answer is B bcoz it is under 1st quadrant. So in 1st quadrant all ratios are positive.

And Q 40) answer is right but your answering way is wrong. Bcoz in exam hall we don't allow to bring a calculator so... For Q 40) apply CosC+CosD = 2 Cos (c+d/2) Cos (c-d/2)

It becomes = 2 Cos (70+50/2) Cos (70-50/2)
= 2 Cos (120/2) Cos (20/2)
= 2 Cos (60) cos (10)
= 2 * 1/2 * Cos 10 (°•° Cos 60 value is 1/2 )
= 2 -2 get cancel and Cos 10 is remains same.
= Cos 10.

[Rahul-jzfx]

37 option is B tan(90- theta) is cot theta 1 quadrant all are positive

[naruto.....]

use cosc + cosd formula 40 that would be easy

[prakashchaitraprakashchait]

sir diploma corresponding nalli pass madi engineering offline nalli madbahuda