Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
ΔPQR is right angled at Q. If cos P = 5/13, then what is the value of cosec R?
1
13/5
2
5/12
3
5/13
4
More than one of the above
5
None of the above