Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Solution
Expression : $$\frac{1}{\sqrt{1+cot^2A}}$$
$$\because$$ $$(cosec^2A-cot^2A=1)$$
= $$\frac{1}{\sqrt{cosec^2A}} = \frac{1}{cosecA}$$
= $$sinA$$
=> Ans - (A)
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
