Question: HELP ASAPPPPP PLEASE I NEED HELP ON THIS PLEASE AND THANK YOU 4. Prove siny-2 sin' y - = tany . vvv 2 cos' y-cosy

HELP ASAPPPPP PLEASE I NEED HELP ON THIS PLEASE AND THANK YOU

4. Prove siny-2 sin' y - = tany . vvv 2 cos' y-cosy 5. If sin x + cosx = k, for what value(s) of k does sinx cosx = 1?v vv 6. Match the following trigonometric functions with their graphs. "VVVV a. y = CSC X d. y = tanx b. y = COS X e. y = cotx C. y = secx -1.0
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