topic badge
India
Class XI

Solve more trigonometric equations

Interactive practice questions

Solve $\sin^2\left(x\right)-6\cos^2\left(x\right)=1$sin2(x)6cos2(x)=1 over the interval $[$[$0$0, $2\pi$2π$)$).

Easy
3min

Solve $36\left(1-\cos x\right)\left(1+\cos x\right)=27$36(1cosx)(1+cosx)=27 over the interval $[$[$0$0, $2\pi$2π$)$).

Easy
4min

Solve $4\cos x-2=2\sqrt{3}-\sqrt{3}\sec x$4cosx2=233secx over the interval $[$[$0$0, $2\pi$2π$)$).

Easy
8min

Solve $\sec^2\left(x\right)=2\tan x$sec2(x)=2tanx over the interval $[$[$0$0, $2\pi$2π$)$).

Easy
3min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

11.SF.TF.1

Positive and negative angles. Measuring angles in radians and in degrees and conversion from one measure to another. Definition of trigonometric functions with the help of unit circle. Truth of the identity sin^2 x + cos^2 x = 1, for all x. Signs of trigonometric functions and sketch of their graphs. Expressing sin (x + y) and cos (x + y) in terms of sin x, sin y, cos x and cos y. Deducing the identities like following: cot(x + or - y), sin x + sin y, cos x + cos y, sin x - sin y, cos x - cos y (see syllabus document)

What is Mathspace

About Mathspace