Fix feedback from Rob.

Also spotted a send vs send_bytes error in radio.

typeshed/stdlib/math.pyi

@@ -78,7 +78,7 @@ def cos(x: float) -> float:
 def degrees(x: float) -> float:
     """Convert radians to degrees.
 
-    Example: ``math.cos(2 * math.pi)``
+    Example: ``math.degrees(2 * math.pi)``
 
     :param x: A value in radians
     :return: The value converted to degrees"""

typeshed/stdlib/microbit/accelerometer.pyi

@@ -56,7 +56,7 @@ def current_gesture() -> str:
 def is_gesture(name: str) -> bool:
     """Check if the named gesture is currently active.
 
-    Example: ``accelerometer.is_gesture("shake")``
+    Example: ``accelerometer.is_gesture('shake')``
 
     MicroPython understands the following gesture names: ``"up"``, ``"down"``,
     ``"left"``, ``"right"``, ``"face up"``, ``"face down"``, ``"freefall"``,

typeshed/stdlib/microbit/display.pyi

@@ -66,7 +66,7 @@ def scroll(
 ) -> None:
     """Scrolls a number or text on the display.
 
-    Example: ``display.scroll('micro:bit)``
+    Example: ``display.scroll('micro:bit')``
 
     :param text: The string to scroll. If ``text`` is an integer or float it is first converted to a string using ``str()``.
     :param delay: The ``delay`` parameter controls how fast the text is scrolling.

typeshed/stdlib/radio.pyi

@@ -93,7 +93,7 @@ def reset() -> None:
 def send_bytes(message: bytes) -> None:
     """Sends a message containing bytes.
 
-    Example: ``radio.send(b'hello')``
+    Example: ``radio.send_bytes(b'hello')``
 
     :param message: The bytes to send.
     """
@@ -121,7 +121,7 @@ def receive_bytes_into(buffer: WriteableBuffer) -> Optional[int]:
 def send(message: str) -> None:
     """Sends a message string.
 
-    Example: ``radio.send("hello")``
+    Example: ``radio.send('hello')``
 
     This is the equivalent of ``radio.send_bytes(bytes(message, 'utf8'))`` but with ``b'\x01\x00\x01'``
     prepended to the front (to make it compatible with other platforms that target the micro:bit).

typeshed/stdlib/speech.pyi

@@ -90,7 +90,7 @@ def sing(
 ) -> None:
     """Sing phonemes.
 
-    Example: ``speech.pronounce(' /HEHLOW WERLD')``
+    Example: ``speech.sing(' /HEHLOW WERLD')``
 
     :param phonemes: The string of words to sing.
     :param pitch: A number representing the pitch of the voice