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Basic Trigonometric Formulae

CBSE X Mathematics

tanA+secA-1/tanA-secA+1=1+sinA/cosA

Asked by Adithya Rao 18th May 2014 8:49 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

[sinA/(secA+tanA-1)]+[cosA/(cosecA+cotA+1)]

Asked by Shumitha 4th October 2017 9:59 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If √3 tan β = 3 sin β, prove that sin^2 β - cos^2 β = 1/3.

Asked by arup_chakraborty2007 10th November 2017 2:52 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

How did you get 1 by root over 3 in the third step?

Asked by arup_chakraborty2007 10th November 2017 6:59 PM
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CBSE X Mathematics 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
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Evaluate sec² (90°-Φ) - cot²Φ / 2 (sin²25° + sin²65°)

Asked by pdcavita 18th November 2017 1:07 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Solve the inequation for x :
 
Sin^2 X > Cos^2 X

Asked by sudhanshubhushanroy 19th November 2017 10:08 AM
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ICSE IX Mathematics Trigonometry

sin(90-A)cos(90-A)=tanA/1+tan^2A

Asked by pereiracalida 21st November 2017 6:27 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

No idea for starting the following question..
 

Asked by nitishkrnehu09 23rd November 2017 9:43 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Q no 10

Asked by sucharitasahoo1 26th November 2017 10:11 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Q19

Asked by sucharitasahoo1 26th November 2017 10:28 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Lat step how to get ?

Asked by sucharitasahoo1 26th November 2017 9:36 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

The question is attached. Please send the step by step and complete solution of the above problem.

Asked by sudhanshubhushanroy 29th November 2017 7:09 AM
Answered by Expert

CBSE XI Science Mathematics Relations and Functions

Help me to solve:

Asked by nitishkrnehu09 10th December 2017 11:08 PM
Answered by Expert

JEE ALL Class Mathematics

please solve the questions from 13-16

Asked by jaychandran1967 11th December 2017 5:54 PM
Answered by Expert

JEE Foundation IX Mathematics Trigonometry

If cos2A+2sin2A+3cos2A+4sin2A+….(200 terms)=10025,where A is an acute angle,find the value of sinA-cosA

Asked by Sunita 30th December 2017 10:24 AM
Answered by Expert

ICSE IX Mathematics Trigonometry

2tan11°tan31°tan45°tan59°tan79°

Asked by jayaraja2399 8th February 2018 9:36 PM
Answered by Expert

CBSE XII Science Mathematics

Lim x->0 (tan x- sin x)/x^3=? Can you explain this question  in shortcut way?

Asked by Ravikumar 20th April 2018 9:30 PM
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CBSE XI Science Mathematics Straight Lines

17th?

Asked by smanishkumar2002 4th August 2018 8:34 PM
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ICSE X Mathematics

If I tan a +m sec a=n and q tan a +r seca =j  then prove that:(nq-qn/mq-rl)^2=1+(jm-rn/mq-lr)^2

Asked by kmondaldgms 16th August 2018 11:20 AM
Answered by Expert

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