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CBSE - X - Maths - Introduction to Trigonometry
in this quesow can i take tan(90-55)tan(90-75) as their is no cot value given
Asked by avmalagittimath
23rd July 2021,
4:26 PM
CBSE - X - Maths - Introduction to Trigonometry
I dont know even a single thing about trigonometry chapter so, can you please help me Or guide me please
Asked by kalpanaraval2676
14th February 2020,
2:32 AM
CBSE - X - Maths - Introduction to Trigonometry
tan7A •tan3A =1 હોય, તો A= ........
Asked by Patelkaka9808
7th February 2020,
6:26 PM
CBSE - X - Maths - Introduction to Trigonometry
(Cot²A-1)(cot²A+1)=-1
Asked by Shivanividhate043
2nd August 2019,
12:50 PM
CBSE - X - Maths - Introduction to Trigonometry
pls explain
Asked by gpnkumar0
25th March 2018,
10:02 PM
CBSE - X - Maths - Introduction to Trigonometry
How 45 = pie /4 ? 22/28?
Asked by sucharitasahoo1
27th December 2017,
12:51 PM
CBSE - X - Maths - Introduction to Trigonometry
If cosecΦ + cotΦ = p, then prove that cosΦ = p²-1/p²+1.
Asked by pdcavita
18th November 2017,
1:01 PM
CBSE - X - Maths - Introduction to Trigonometry
Prove that (tanΦ+1/cosΦ)² + (tanΦ - 1/cosΦ)² = 2(1+ sin² Φ/1- sin²Φ)
Asked by pdcavita
18th November 2017,
12:42 PM
CBSE - X - Maths - Introduction to Trigonometry
Am unable to solve the second part. Please help
Asked by Apoorva
14th June 2017,
8:33 PM
CBSE - X - Maths - Introduction to Trigonometry
A round ball of radius r subtends an angle 
at the eye of the observer while the angle of elevation of its centre is 
.Prove that the height of the centre of the balloon is r sin
at the eye of the observer while the angle of elevation of its centre is .Prove that the height of the centre of the balloon is r sin
Asked by afreensyed13
14th February 2017,
7:57 AM
