Sir in exercise 21(E)
Question -1, part xiii
Is there any alternative method to do this part other than the given answer ?
Asked by Yatin
| 19th Jul, 2017,
03:05: PM
Expert Answer:

Answered by Rashmi Khot
| 19th Jul, 2017,
03:56: PM
Concept Videos
- To memorize trigonometry formulas ,please let me know if there is any easy method ? -thanks
- please help me to answer the question
- Hello Sir,
I have a query in maths trigonometry please help me to solve the given problem
- tan ^2
- value of sin 45
- (cosec A -sinA) (sec A -cosA)=1/tanA cot A
- sec²a.cosec²a = tan²a + cot²a+ 2
- (sin A+ cos A) (sec A+ cosec A) = 2+sec A.cosec A
- tan2-sin2=tan2.sin2
- cot2 A - cos2 A = cot2 A × cos2 A
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change