Find $\sin 2 x$ $\cos 2 x$ And $\tan 2 x$ , Given That

Q50: Sketch the graphs of <span

Q51: Use a double-angle formula or half-angle

Q52: Find all solutions of <span

Q53: Verify the identity. <span class="ql-formula"

Q54: Find all solutions of <span

Q56: Use addition or subtraction formulas to

Q57: Verify the identity. <span class="ql-formula"

Q58: Make the indicated trigonometric substitution in

Q59: Solve the given equation. <span

Q60: Find the exact value of the