1 A 1 B 1 C 1 D 1 E 1 F 1 G 1 H 1 I 1 J 2 A 2 B 2 C 2 D 3 4 5 6 7 8 9 10

Q. 95.0( 6 Votes )

If sec2A = cosec(

Class 10th Gujarat Board Mathematics 9. Trigonometry

Answer :

sec(90–θ) = cosecθ

sec2A = cosec(A–42)

∴ sec2A = sec(90–(A–42))

⇒ 2A = 90 – A + 42

⇒ A = 44

Rate this question :

How useful is this solution?

We strive to provide quality solutions. Please rate us to serve you better.

PREVIOUSIf tanA = cotB, p NEXTIf 0 < θ <

Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation

caricature

view all courses

RELATED QUESTIONS :

If 0 < θ < Gujarat Board Mathematics

If sec2A = cosec(Gujarat Board Mathematics

If tanA = cotB, pGujarat Board Mathematics

If A + B = 90, prGujarat Board Mathematics

For ΔABC, prove tGujarat Board Mathematics

If 0 < θ < Gujarat Board Mathematics

If 3 θ is the meaGujarat Board Mathematics

Express the folloGujarat Board Mathematics

Evaluate:

Gujarat Board Mathematics

Prove the followiGujarat Board Mathematics