Question
If X = 10°, find the value of: cos²(3X) +
sin²(6X) - tan²(3X)Solution
= cos²(30°) + sin²(60°) - tan²(30°)
= (√3/2)² + (√3/2)² - (1/√3)²
= 3/4 + 3/4 - 1/3 = 7/6
More Trigonometry Questions
Match the following Foodstuff with their adulterant A to D
1. Asafetida ...
Viruses are known to infect
a. Plant
b. Bacteria
c. Fungi
d. ...
What is NABL?
The naturally derived food substance ______ acts as a nutraceutical in cancer therapy.
Ribozyme is:
Find the false one:
Why exhausting is done in canning
a) To avoid the corrosion of tinplate and pin holing during storage.
b) To minimize dis...
Which is recognition of symptom of Oil & Fat oxidation
___________is the yellow green pigment of skim milk.
Butter or ghee is adulterated with the addition of……..
Relevant for Exams:
