Question
tan 20˚ x tan 23˚ x tan 67˚ x tan 70˚ =
?Solution
We know that If tanA x tanB = 1 then A & B are complementary angles it means A + B = 90˚ Here 20˚ + 70˚ = 90˚ & 23˚ + 67˚ = 90˚ So tan 20˚ x tan 70˚ = 1 & tan 23˚ x tan 67˚ = 1 Hence tan 20˚ x tan 23˚ x tan 67˚ x tan 70˚ = 1
A user communicates with a computer with the help of:
Which of the following permanent database that has an entry for each terminal symbol
The component responsible for synchronizing operations using timing signals is _______________.
Which of the following file format is not a video file format?
Recently who among the following was re-elected general secretary of the 20th Central Committee of the Communist Party of China (CPC)?
Which of these are examples of interpreted programming languages?
Pre-programmed formulas in MS Excel are called _______.
Which of the following technologies were used by third-generation computers?
________ is the highest priority interrupt capable of interrupting all software and non-vital hardware devices.
Which type of network mostly we build, when two or more branches of an Organisation, situated in different countries, are connected together using inter...
Relevant for Exams:
