Maths
This question was asked in What is value of sin, cos, tan at 0, 30, 45, 60 & 90 degree?

Sin 30° cos 60° - tan 45°

Sarvamangala Nayak's image
Sarvamangala Nayak
Oct. 22, 2019, 11:26 p.m.

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Rajalakshmi Yummy's image
Rajalakshmi Yummy
Oct. 28, 2019, 9:08 a.m.

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Jishnu Baruah's image
Jishnu Baruah
Oct. 22, 2019, 11:43 p.m.

sin 30 cos 60 - tan 45

= 1/2.1/2-1 -1

= 1/4-1

=-3/4

 

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