CBSE BOARD XII, asked by madhu637257, 10 months ago

find the value plz help me

Attachments:

Answers

Answered by mechie88

1

Explanation:

Solvong determinant cos10*cos100 - (-sin10*sin100)

= cos10*cos100 + sin10*sin100

This is cos(A-B) which is cosAcosB + sinAsinB

=> cos(100-10) = cos90 = 0

Previous Question

Next Question

Similar questions

Computer Science, 4 months ago

5. If(a>b) C=a; else c=b; It can be written as: (a) C= (b>a)?a:b; (b) C= a!=b)?a:b; ...

English, 4 months ago

Write a dairy entry about the time you disobeyed your parents leading to serious consequences...

English, 4 months ago

there is no time to lose. ka passive ...

Math, 10 months ago

C. Use Cordova Smart Class Software on the smart board in class to do Exercise 1. Write a Pythagorean triplet whose smallest member is 8.

Chemistry, 10 months ago

Q3 Indicate which type of chemical reaction (Combination, decomposition, single- displacement, double-displacement or combustion) is being represented in the following reactions: 1. Na3PO4 + 3 KOH  3 NaOH + K3PO4 2. MgCl2 + Li2CO3  MgCO3 + 2 LiCl 3. C6H12 + 9 O2  6 CO2 + 6 H2O 4. 2 AgNO3 + Cu  Cu(NO3)2 + 2 Ag 5. C3H6O + 4 O2  3 CO2 + 3 H2O 6. 2 C5H5 + Fe  Fe(C5H5)2 7. SeCl6 + O2  SeO2 +...

Biology, 1 year ago

"the study of embryology is helpful in understanding the process of organic evolution"Give five points in support of this statement.

Hindi, 1 year ago

Apni purani class ke bare me likho...

Science, 1 year ago

Monocots difference dicots...